Table of Contents
291 relations: Abdominal x-ray, Acoela, Adventitia, Amphibian, Anal canal, Ananova, Anatomical terms of location, Angiodysplasia, Antibiotic, Antibody, Antigen, Antiporter, Anus, Appendicitis, Appendix (anatomy), Ascending colon, ATPase, Autocrine signaling, Autoimmunity, Autonomic nervous system, Autopsy, Axial twist theory, Bacteria, Barium, Basal electrical rhythm, Bendir, Bicarbonate, Bilateria, Bile, Bile acid, Biopsy, Bird, Blood in stool, Bracket clock, Brunner's glands, Butyric acid, Calf (animal), Calf-intestinal alkaline phosphatase, Cancer, Capnophile, Capsule endoscopy, Cat, Catgut, Cattle, Cecum, Celiac artery, Chitterlings, Cholecystokinin, Cholera, Chyme, ... Expand index (241 more) »
Abdominal x-ray
An abdominal x-ray is an x-ray of the abdomen.
See Gastrointestinal tract and Abdominal x-ray
Acoela
Acoela, or the acoels, is an order of small and simple invertebrates in the subphylum Acoelomorpha of phylum Xenacoelomorpha, a deep branching bilaterian group of animals, which resemble flatworms.
See Gastrointestinal tract and Acoela
Adventitia
The adventitia is the outer layer of fibrous connective tissue surrounding an organ.
See Gastrointestinal tract and Adventitia
Amphibian
Amphibians are ectothermic, anamniotic, four-limbed vertebrate animals that constitute the class Amphibia.
See Gastrointestinal tract and Amphibian
Anal canal
The anal canal is the part that connects the rectum to the anus, located below the level of the pelvic diaphragm. Gastrointestinal tract and anal canal are digestive system.
See Gastrointestinal tract and Anal canal
Ananova
Ananova was a web-oriented news service that originally featured a computer-simulated newscaster named Ananova programmed to read newscasts to users 24 hours a day.
See Gastrointestinal tract and Ananova
Anatomical terms of location
Standard anatomical terms of location are used to unambiguously describe the anatomy of animals, including humans.
See Gastrointestinal tract and Anatomical terms of location
Angiodysplasia
In medicine (gastroenterology), angiodysplasia is a small vascular malformation of the gut.
See Gastrointestinal tract and Angiodysplasia
Antibiotic
An antibiotic is a type of antimicrobial substance active against bacteria.
See Gastrointestinal tract and Antibiotic
Antibody
An antibody (Ab) is the secreted form of a B cell receptor; the term immunoglobulin (Ig) can refer to either the membrane-bound form or the secreted form of the B cell receptor, but they are, broadly speaking, the same protein, and so the terms are often treated as synonymous.
See Gastrointestinal tract and Antibody
Antigen
In immunology, an antigen (Ag) is a molecule, moiety, foreign particulate matter, or an allergen, such as pollen, that can bind to a specific antibody or T-cell receptor.
See Gastrointestinal tract and Antigen
Antiporter
An antiporter (also called exchanger or counter-transporter) is an integral membrane protein that uses secondary active transport to move two or more molecules in opposite directions across a phospholipid membrane.
See Gastrointestinal tract and Antiporter
Anus
In mammals, invertebrates and most fish, the anus (anuses or ani; from Latin, 'ring' or 'circle') is the external body orifice at the exit end of the digestive tract (bowel), i.e. the opposite end from the mouth. Gastrointestinal tract and anus are digestive system.
See Gastrointestinal tract and Anus
Appendicitis
Appendicitis is inflammation of the appendix.
See Gastrointestinal tract and Appendicitis
Appendix (anatomy)
The appendix (appendices or appendixes; also vermiform appendix; cecal (or caecal, cæcal) appendix; vermix; or vermiform process) is a finger-like, blind-ended tube connected to the cecum, from which it develops in the embryo. Gastrointestinal tract and appendix (anatomy) are digestive system.
See Gastrointestinal tract and Appendix (anatomy)
Ascending colon
In the anatomy of humans and homologous primates, the ascending colon is the part of the colon located between the cecum and the transverse colon. Gastrointestinal tract and ascending colon are digestive system.
See Gastrointestinal tract and Ascending colon
ATPase
ATPases (Adenosine 5'-TriPhosphatase, adenylpyrophosphatase, ATP monophosphatase, triphosphatase, SV40 T-antigen, ATP hydrolase, complex V (mitochondrial electron transport), (Ca2+ + Mg2+)-ATPase, HCO3−-ATPase, adenosine triphosphatase) are a class of enzymes that catalyze the decomposition of ATP into ADP and a free phosphate ion or the inverse reaction.
See Gastrointestinal tract and ATPase
Autocrine signaling
Autocrine signaling is a form of cell signaling in which a cell secretes a hormone or chemical messenger (called the autocrine agent) that binds to autocrine receptors on that same cell, leading to changes in the cell.
See Gastrointestinal tract and Autocrine signaling
Autoimmunity
In immunology, autoimmunity is the system of immune responses of an organism against its own healthy cells, tissues and other normal body constituents.
See Gastrointestinal tract and Autoimmunity
Autonomic nervous system
The autonomic nervous system (ANS), sometimes called the visceral nervous system and formerly the vegetative nervous system, is a division of the nervous system that operates internal organs, smooth muscle and glands.
See Gastrointestinal tract and Autonomic nervous system
Autopsy
An autopsy (also referred to as post-mortem examination, obduction, necropsy, or autopsia cadaverum) is a surgical procedure that consists of a thorough examination of a corpse by dissection to determine the cause, mode, and manner of death; or the exam may be performed to evaluate any disease or injury that may be present for research or educational purposes.
See Gastrointestinal tract and Autopsy
Axial twist theory
The axial twist theory (a.k.a. axial twist hypothesis) is a scientific theory put forward to explain a range of unusual aspects of the body plan of vertebrates (including humans).
See Gastrointestinal tract and Axial twist theory
Bacteria
Bacteria (bacterium) are ubiquitous, mostly free-living organisms often consisting of one biological cell.
See Gastrointestinal tract and Bacteria
Barium
Barium is a chemical element; it has symbol Ba and atomic number 56.
See Gastrointestinal tract and Barium
Basal electrical rhythm
The basal or basic electrical rhythm (BER) or electrical control activity (ECA) is the spontaneous depolarization and repolarization of pacemaker cells known as interstitial cells of Cajal (ICCs) in the smooth muscle of the stomach, small intestine, and large intestine. Gastrointestinal tract and basal electrical rhythm are digestive system.
See Gastrointestinal tract and Basal electrical rhythm
Bendir
The bendir (بندير, bindīr;: بنادير, binādīr) is a wooden-framed frame drum of North Africa and Southwest Asia.
See Gastrointestinal tract and Bendir
Bicarbonate
In inorganic chemistry, bicarbonate (IUPAC-recommended nomenclature: hydrogencarbonate) is an intermediate form in the deprotonation of carbonic acid.
See Gastrointestinal tract and Bicarbonate
Bilateria
Bilateria is a large clade or infrakingdom of animals called bilaterians, characterized by bilateral symmetry (i.e. having a left and a right side that are mirror images of each other) during embryonic development.
See Gastrointestinal tract and Bilateria
Bile
Bile (from Latin bilis), or gall, is a yellow-green fluid produced by the liver of most vertebrates that aids the digestion of lipids in the small intestine. Gastrointestinal tract and bile are digestive system.
See Gastrointestinal tract and Bile
Bile acid
Bile acids are steroid acids found predominantly in the bile of mammals and other vertebrates.
See Gastrointestinal tract and Bile acid
Biopsy
A biopsy is a medical test commonly performed by a surgeon, an interventional radiologist, or an interventional cardiologist.
See Gastrointestinal tract and Biopsy
Bird
Birds are a group of warm-blooded vertebrates constituting the class Aves, characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton.
See Gastrointestinal tract and Bird
Blood in stool
Blood in stool looks different depending on how early it enters the digestive tract—and thus how much digestive action it has been exposed to—and how much there is.
See Gastrointestinal tract and Blood in stool
Bracket clock
A bracket clock is a style of antique portable table clock made in the 17th and 18th centuries.
See Gastrointestinal tract and Bracket clock
Brunner's glands
Brunner's glands (or duodenal glands) are compound tubuloalveolar submucosal glands found in that portion of the duodenum proximal to the hepatopancreatic sphincter (i.e sphincter of Oddi). Gastrointestinal tract and Brunner's glands are digestive system.
See Gastrointestinal tract and Brunner's glands
Butyric acid
Butyric acid (from βούτῡρον, meaning "butter"), also known under the systematic name butanoic acid, is a straight-chain alkyl carboxylic acid with the chemical formula.
See Gastrointestinal tract and Butyric acid
Calf (animal)
A calf (calves) is a young domestic cow or bull.
See Gastrointestinal tract and Calf (animal)
Calf-intestinal alkaline phosphatase
Calf-intestinal alkaline phosphatase (CIAP/CIP) is a type of alkaline phosphatase that catalyzes the removal of phosphate groups from the 5' end of DNA strands and phosphomonoesters from RNA.
See Gastrointestinal tract and Calf-intestinal alkaline phosphatase
Cancer
Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body.
See Gastrointestinal tract and Cancer
Capnophile
Capnophiles are microorganisms that thrive in the presence of high concentrations of carbon dioxide.
See Gastrointestinal tract and Capnophile
Capsule endoscopy
Capsule endoscopy is a medical procedure used to record internal images of the gastrointestinal tract for use in disease diagnosis.
See Gastrointestinal tract and Capsule endoscopy
Cat
The cat (Felis catus), commonly referred to as the domestic cat or house cat, is a small domesticated carnivorous mammal.
See Gastrointestinal tract and Cat
Catgut
Catgut (also known as gut) is a type of cord that is prepared from the natural fiber found in the walls of animal intestines.
See Gastrointestinal tract and Catgut
Cattle
Cattle (Bos taurus) are large, domesticated, bovid ungulates widely kept as livestock. They are prominent modern members of the subfamily Bovinae and the most widespread species of the genus Bos. Mature female cattle are called cows and mature male cattle are bulls. Young female cattle are called heifers, young male cattle are oxen or bullocks, and castrated male cattle are known as steers.
See Gastrointestinal tract and Cattle
Cecum
The cecum or caecum is a pouch within the peritoneum that is considered to be the beginning of the large intestine. Gastrointestinal tract and cecum are digestive system.
See Gastrointestinal tract and Cecum
Celiac artery
The celiac artery (also spelled coeliac), also known as the celiac trunk or truncus coeliacus, is the first major branch of the abdominal aorta.
See Gastrointestinal tract and Celiac artery
Chitterlings
Chitterlings, sometimes spelled chitlins or chittlins, are the large intestines of domestic animals.
See Gastrointestinal tract and Chitterlings
Cholecystokinin
Cholecystokinin (CCK or CCK-PZ; from Greek chole, "bile"; cysto, "sac"; kinin, "move"; hence, move the bile-sac (gallbladder)) is a peptide hormone of the gastrointestinal system responsible for stimulating the digestion of fat and protein.
See Gastrointestinal tract and Cholecystokinin
Cholera
Cholera is an infection of the small intestine by some strains of the bacterium Vibrio cholerae.
See Gastrointestinal tract and Cholera
Chyme
Chyme or chymus (from Greek χυμός khymos, "juice") is the semi-fluid mass of partly digested food that is expelled by the stomach, through the pyloric valve, into the duodenum (the beginning of the small intestine). Gastrointestinal tract and chyme are digestive system.
See Gastrointestinal tract and Chyme
Circular folds
The circular folds (also known as valves of Kerckring, valves of Kerchkring, plicae circulares, plicae circulae, and valvulae conniventes) are large valvular flaps projecting into the lumen of the small intestine. Gastrointestinal tract and circular folds are digestive system.
See Gastrointestinal tract and Circular folds
Cloaca
A cloaca,: cloacae, is the rear orifice that serves as the only opening for the digestive, reproductive, and urinary tracts (if present) of many vertebrate animals. Gastrointestinal tract and cloaca are digestive system.
See Gastrointestinal tract and Cloaca
Clostridia
The Clostridia are a highly polyphyletic class of Bacillota, including Clostridium and other similar genera.
See Gastrointestinal tract and Clostridia
Cloudinidae
The cloudinids, an early metazoan family containing the genera Acuticocloudina, Cloudina and Conotubus, lived in the late Ediacaran period about 550 million years ago. and became extinct at the base of the Cambrian. They formed millimetre-scale conical fossils consisting of calcareous cones nested within one another; the appearance of the organism itself remains unknown.
See Gastrointestinal tract and Cloudinidae
Cnidaria
Cnidaria is a phylum under kingdom Animalia containing over 11,000 species of aquatic animals found both in fresh water and marine environments (predominantly the latter), including jellyfish, hydroids, sea anemones, corals and some of the smallest marine parasites.
See Gastrointestinal tract and Cnidaria
Coeliac disease
Coeliac disease (British English) or celiac disease (American English) is a long-term autoimmune disorder, primarily affecting the small intestine, where individuals develop intolerance to gluten, present in foods such as wheat, rye and barley.
See Gastrointestinal tract and Coeliac disease
Colic flexures
In the anatomy of the human digestive tract, there are two colic flexures, or curvatures in the transverse colon.
See Gastrointestinal tract and Colic flexures
Colitis
Colitis is swelling or inflammation of the large intestine (colon).
See Gastrointestinal tract and Colitis
Colonoscopy
Colonoscopy or coloscopy is a medical procedure involving the endoscopic examination of the large bowel (colon) and the distal portion of the small bowel.
See Gastrointestinal tract and Colonoscopy
Colorectal cancer
Colorectal cancer (CRC), also known as bowel cancer, colon cancer, or rectal cancer, is the development of cancer from the colon or rectum (parts of the large intestine).
See Gastrointestinal tract and Colorectal cancer
Colorectal polyp
A colorectal polyp is a polyp (fleshy growth) occurring on the lining of the colon or rectum.
See Gastrointestinal tract and Colorectal polyp
Concave polygon
A simple polygon that is not convex is called concave, non-convex or reentrant.
See Gastrointestinal tract and Concave polygon
Condom
A condom is a sheath-shaped barrier device used during sexual intercourse to reduce the probability of pregnancy or a sexually transmitted infection (STI).
See Gastrointestinal tract and Condom
Connective tissue
Connective tissue is one of the four primary types of animal tissue, along with epithelial tissue, muscle tissue, and nervous tissue.
See Gastrointestinal tract and Connective tissue
Constipation
Constipation is a bowel dysfunction that makes bowel movements infrequent or hard to pass.
See Gastrointestinal tract and Constipation
Crohn's disease
Crohn's disease is a type of inflammatory bowel disease (IBD) that may affect any segment of the gastrointestinal tract.
See Gastrointestinal tract and Crohn's disease
Crop (anatomy)
The crop (also the croup, the craw, the ingluvies, and the sublingual pouch) is a thin-walled, expanded portion of the alimentary tract, which is used for the storage of food before digestion.
See Gastrointestinal tract and Crop (anatomy)
Ctenophora
Ctenophora (ctenophore) comprise a phylum of marine invertebrates, commonly known as comb jellies, that inhabit sea waters worldwide.
See Gastrointestinal tract and Ctenophora
CYP3A4
Cytochrome P450 3A4 (abbreviated CYP3A4) is an important enzyme in the body, mainly found in the liver and in the intestine, which in humans is encoded by CYP3A4 gene.
See Gastrointestinal tract and CYP3A4
Descending colon
In the anatomy of humans and homologous primates, the descending colon is the part of the colon extending from the left colic flexure to the level of the iliac crest (whereupon it transitions into the sigmoid colon).
See Gastrointestinal tract and Descending colon
Development of the digestive system
The development of the digestive system in the human embryo concerns the epithelium of the digestive system and the parenchyma of its derivatives, which originate from the endoderm.
See Gastrointestinal tract and Development of the digestive system
Diarrhea
Diarrhea (American English), also spelled diarrhoea or diarrhœa (British English), is the condition of having at least three loose, liquid, or watery bowel movements in a day.
See Gastrointestinal tract and Diarrhea
Digestion
Digestion is the breakdown of large insoluble food compounds into small water-soluble components so that they can be absorbed into the blood plasma. Gastrointestinal tract and Digestion are digestive system.
See Gastrointestinal tract and Digestion
Digestive enzyme
Digestive enzymes take part in the chemical process of digestion, which follows the mechanical process of digestion.
See Gastrointestinal tract and Digestive enzyme
Digestive system surgery
Digestive system surgery, or gastrointestinal surgery, can be divided into upper GI surgery and lower GI surgery.
See Gastrointestinal tract and Digestive system surgery
Dissection
Dissection (from Latin dissecare "to cut to pieces"; also called anatomization) is the dismembering of the body of a deceased animal or plant to study its anatomical structure.
See Gastrointestinal tract and Dissection
Diverticular disease
Diverticular disease is when problems occur due to diverticulosis, a benign condition defined by the formation of pouches (diverticula) from weak spots in the wall of the large intestine.
See Gastrointestinal tract and Diverticular disease
Diverticulitis
Diverticulitis, also called colonic diverticulitis, is a gastrointestinal disease characterized by inflammation of abnormal pouches—diverticula—that can develop in the wall of the large intestine.
See Gastrointestinal tract and Diverticulitis
Diverticulosis
Diverticulosis is the condition of having multiple pouches (diverticula) in the colon that are not inflamed.
See Gastrointestinal tract and Diverticulosis
Drug metabolism
Drug metabolism is the metabolic breakdown of drugs by living organisms, usually through specialized enzymatic systems.
See Gastrointestinal tract and Drug metabolism
Duodenal bulb
The duodenal bulb (also ampulla of duodenum, duodenal ampulla, or duodenal cap) is the initial, dilated portion of (the superior part of) the duodenum just distal to the stomach; it begins at the pylorus and ends at the neck of the gallbladder. Gastrointestinal tract and duodenal bulb are digestive system.
See Gastrointestinal tract and Duodenal bulb
Duodenum
The duodenum is the first section of the small intestine in most higher vertebrates, including mammals, reptiles, and birds. Gastrointestinal tract and duodenum are digestive system.
See Gastrointestinal tract and Duodenum
Dysbiosis
Dysbiosis (also called dysbacteriosis) is characterized by a disruption to the microbiome resulting in an imbalance in the microbiota, changes in their functional composition and metabolic activities, or a shift in their local distribution.
See Gastrointestinal tract and Dysbiosis
Ediacaran
The Ediacaran is a geological period of the Neoproterozoic Era that spans 96 million years from the end of the Cryogenian Period at 635 Mya to the beginning of the Cambrian Period at 538.8 Mya.
See Gastrointestinal tract and Ediacaran
Embryo
An embryo is the initial stage of development for a multicellular organism.
See Gastrointestinal tract and Embryo
Embryological origins of the mouth and anus
The embryological origin of the mouth and anus is an important characteristic, and forms the morphological basis for separating bilaterian animals into two natural groupings: the protostomes and deuterostomes. Gastrointestinal tract and embryological origins of the mouth and anus are digestive system.
See Gastrointestinal tract and Embryological origins of the mouth and anus
Embryology
Embryology (from Greek ἔμβρυον, embryon, "the unborn, embryo"; and -λογία, -logia) is the branch of animal biology that studies the prenatal development of gametes (sex cells), fertilization, and development of embryos and fetuses.
See Gastrointestinal tract and Embryology
Emulsion
An emulsion is a mixture of two or more liquids that are normally immiscible (unmixable or unblendable) owing to liquid-liquid phase separation.
See Gastrointestinal tract and Emulsion
Endoderm
Endoderm is the innermost of the three primary germ layers in the very early embryo.
See Gastrointestinal tract and Endoderm
Endometriosis
Endometriosis is a disease in which cells like those in the endometrium, the layer of tissue that normally covers the inside of the uterus, grow outside the uterus.
See Gastrointestinal tract and Endometriosis
Endoscopy
An endoscopy is a procedure used in medicine to look inside the body.
See Gastrointestinal tract and Endoscopy
Energy
Energy is the quantitative property that is transferred to a body or to a physical system, recognizable in the performance of work and in the form of heat and light.
See Gastrointestinal tract and Energy
Enteric duplication cyst
Enteric duplication cysts, sometimes simply called duplication cysts, are rare congenital malformations of the gastrointestinal tract.
See Gastrointestinal tract and Enteric duplication cyst
Enteric nervous system
The enteric nervous system (ENS) or intrinsic nervous system is one of the three main divisions of the autonomic nervous system (ANS), the other being the sympathetic (SNS) and parasympathetic nervous system (PSNS), and consists of a mesh-like system of neurons that governs the function of the gastrointestinal tract. Gastrointestinal tract and enteric nervous system are digestive system.
See Gastrointestinal tract and Enteric nervous system
Enterovirus
Enterovirus is a genus of positive-sense single-stranded RNA viruses associated with several human and mammalian diseases.
See Gastrointestinal tract and Enterovirus
Enzyme
Enzymes are proteins that act as biological catalysts by accelerating chemical reactions.
See Gastrointestinal tract and Enzyme
Esophageal cancer
Esophageal cancer is cancer arising from the esophagus—the food pipe that runs between the throat and the stomach.
See Gastrointestinal tract and Esophageal cancer
Esophagus
The esophagus (American English) or oesophagus (British English, see spelling differences; both;: (o)esophagi or (o)esophaguses), colloquially known also as the food pipe, food tube, or gullet, is an organ in vertebrates through which food passes, aided by peristaltic contractions, from the pharynx to the stomach. Gastrointestinal tract and esophagus are abdomen and digestive system.
See Gastrointestinal tract and Esophagus
Evolution
Evolution is the change in the heritable characteristics of biological populations over successive generations.
See Gastrointestinal tract and Evolution
Feces
Feces (or faeces;: faex) are the solid or semi-solid remains of food that was not digested in the small intestine, and has been broken down by bacteria in the large intestine.
See Gastrointestinal tract and Feces
Fermentation
Fermentation is a metabolic process that produces chemical changes in organic substances through the action of enzymes.
See Gastrointestinal tract and Fermentation
Fetus
A fetus or foetus (fetuses, foetuses, rarely feti or foeti) is the unborn offspring that develops from a mammal embryo.
See Gastrointestinal tract and Fetus
Fish
A fish (fish or fishes) is an aquatic, anamniotic, gill-bearing vertebrate animal with swimming fins and a hard skull, but lacking limbs with digits.
See Gastrointestinal tract and Fish
Flatulence
Flatulence is the expulsion of gas from the intestines via the anus, commonly referred to as farting. Gastrointestinal tract and Flatulence are digestive system.
See Gastrointestinal tract and Flatulence
Flatworm
The flatworms, flat worms, Platyhelminthes, or platyhelminths (from the Greek πλατύ, platy, meaning "flat" and ἕλμινς (root: ἑλμινθ-), helminth-, meaning "worm") are a phylum of relatively simple bilaterian, unsegmented, soft-bodied invertebrates.
See Gastrointestinal tract and Flatworm
Foodborne illness
Foodborne illness (also known as foodborne disease and food poisoning) is any illness resulting from the contamination of food by pathogenic bacteria, viruses, or parasites, as well as prions (the agents of mad cow disease), and toxins such as aflatoxins in peanuts, poisonous mushrooms, and various species of beans that have not been boiled for at least 10 minutes.
See Gastrointestinal tract and Foodborne illness
Foregut
The foregut in humans is the anterior part of the alimentary canal, from the distal esophagus to the first half of the duodenum, at the entrance of the bile duct.
See Gastrointestinal tract and Foregut
FOXP3
FOXP3 (forkhead box P3), also known as scurfin, is a protein involved in immune system responses.
See Gastrointestinal tract and FOXP3
Functional abdominal pain syndrome
Functional abdominal pain syndrome (FAPS), chronic functional abdominal pain (CFAP), or centrally mediated abdominal pain syndrome (CMAP) is a pain syndrome of the abdomen, that has been present for at least six months, is not well connected to gastrointestinal function, and is accompanied by some loss of everyday activities.
See Gastrointestinal tract and Functional abdominal pain syndrome
Functional gastrointestinal disorder
Functional gastrointestinal disorders (FGID), also known as disorders of gut–brain interaction, include a number of separate idiopathic disorders which affect different parts of the gastrointestinal tract and involve visceral hypersensitivity and motility disturbances.
See Gastrointestinal tract and Functional gastrointestinal disorder
Fusee (horology)
A fusee (from the French fusée, wire wound around a spindle) is a cone-shaped pulley with a helical groove around it, wound with a cord or chain attached to the mainspring barrel of antique mechanical watches and clocks.
See Gastrointestinal tract and Fusee (horology)
Gallbladder
In vertebrates, the gallbladder, also known as the cholecyst, is a small hollow organ where bile is stored and concentrated before it is released into the small intestine. Gastrointestinal tract and gallbladder are abdomen and digestive system.
See Gastrointestinal tract and Gallbladder
Gastric chief cell
A gastric chief cell, peptic cell, or gastric zymogenic cell is a type of gastric gland cell that releases pepsinogen and gastric lipase.
See Gastrointestinal tract and Gastric chief cell
Gastrin
Gastrin is a peptide hormone that stimulates secretion of gastric acid (HCl) by the parietal cells of the stomach and aids in gastric motility. Gastrointestinal tract and gastrin are digestive system.
See Gastrointestinal tract and Gastrin
Gastritis
Gastritis is the inflammation of the lining of the stomach.
See Gastrointestinal tract and Gastritis
Gastroenteritis
Gastroenteritis, also known as infectious diarrhea, is an inflammation of the gastrointestinal tract including the stomach and intestine.
See Gastrointestinal tract and Gastroenteritis
Gastrointestinal bleeding
Gastrointestinal bleeding (GI bleed), also called gastrointestinal hemorrhage (GIB), is all forms of bleeding in the gastrointestinal tract, from the mouth to the rectum.
See Gastrointestinal tract and Gastrointestinal bleeding
Gastrointestinal cancer
Gastrointestinal cancer refers to malignant conditions of the gastrointestinal tract (GI tract) and accessory organs of digestion, including the esophagus, stomach, biliary system, pancreas, small intestine, large intestine, rectum and anus.
See Gastrointestinal tract and Gastrointestinal cancer
Gastrointestinal physiology
Gastrointestinal physiology is the branch of human physiology that addresses the physical function of the gastrointestinal (GI) tract.
See Gastrointestinal tract and Gastrointestinal physiology
Gastrointestinal tract
The gastrointestinal tract (GI tract, digestive tract, alimentary canal) is the tract or passageway of the digestive system that leads from the mouth to the anus. The GI tract contains all the major organs of the digestive system, in humans and other animals, including the esophagus, stomach, and intestines. Gastrointestinal tract and gastrointestinal tract are abdomen, digestive system, endocrine system and Routes of administration.
See Gastrointestinal tract and Gastrointestinal tract
Geologic time scale
The geologic time scale or geological time scale (GTS) is a representation of time based on the rock record of Earth.
See Gastrointestinal tract and Geologic time scale
Ghrelin
Ghrelin (or lenomorelin, INN) is a hormone primarily produced by enteroendocrine cells of the gastrointestinal tract, especially the stomach, and is often called a "hunger hormone" because it increases the drive to eat.
See Gastrointestinal tract and Ghrelin
Giardiasis
Giardiasis is a parasitic disease caused by Giardia duodenalis (also known as G. lamblia and G. intestinalis).
See Gastrointestinal tract and Giardiasis
Gizzard
The gizzard, also referred to as the ventriculus, gastric mill, and gigerium, is an organ found in the digestive tract of some animals, including archosaurs (birds and other dinosaurs, crocodiles, alligators, pterosaurs), earthworms, some gastropods, some fish, and some crustaceans.
See Gastrointestinal tract and Gizzard
Goldbeater's skin
Goldbeater's skin is the processed outer membrane of the intestine of an animal, typically cattle, which is valued for its strength against tearing.
See Gastrointestinal tract and Goldbeater's skin
Gonopore
A gonopore, sometimes called a gonadopore, is a genital pore in many invertebrates.
See Gastrointestinal tract and Gonopore
Gram-negative bacteria
Gram-negative bacteria are bacteria that unlike gram-positive bacteria do not retain the crystal violet stain used in the Gram staining method of bacterial differentiation.
See Gastrointestinal tract and Gram-negative bacteria
Grandfather clock
A grandfather clock (also a longcase clock, tall-case clock, grandfather's clock, hall clock or floor clock) is a tall, freestanding, weight-driven pendulum clock, with the pendulum held inside the tower or waist of the case.
See Gastrointestinal tract and Grandfather clock
Gross anatomy
Gross anatomy is the study of anatomy at the visible or macroscopic level.
See Gastrointestinal tract and Gross anatomy
Gut microbiota
Gut microbiota, gut microbiome, or gut flora are the microorganisms, including bacteria, archaea, fungi, and viruses, that live in the digestive tracts of animals. Gastrointestinal tract and gut microbiota are digestive system.
See Gastrointestinal tract and Gut microbiota
Gut-associated lymphoid tissue
Gut-associated lymphoid tissue (GALT) is a component of the mucosa-associated lymphoid tissue (MALT) which works in the immune system to protect the body from invasion in the gut.
See Gastrointestinal tract and Gut-associated lymphoid tissue
Haggis
Haggis (taigeis) is a savoury pudding containing sheep's pluck (heart, liver, and lungs), minced with chopped onion, oatmeal, suet, spices, and salt, mixed with stock, and cooked while traditionally encased in the animal's stomach though now an artificial casing is often used instead.
See Gastrointestinal tract and Haggis
Helicobacter pylori
Helicobacter pylori, previously known as Campylobacter pylori, is a gram-negative, flagellated, helical bacterium.
See Gastrointestinal tract and Helicobacter pylori
Hematemesis
Hematemesis is the vomiting of blood.
See Gastrointestinal tract and Hematemesis
Hematochezia
Hematochezia is a form of blood in stool, in which fresh blood passes through the anus while defecating.
See Gastrointestinal tract and Hematochezia
Hindgut
The hindgut (or epigaster) is the posterior (caudal) part of the alimentary canal.
See Gastrointestinal tract and Hindgut
Hirschsprung's disease
Hirschsprung's disease (HD or HSCR) is a birth defect in which nerves are missing from parts of the intestine.
See Gastrointestinal tract and Hirschsprung's disease
Histology
Histology, also known as microscopic anatomy or microanatomy, is the branch of biology that studies the microscopic anatomy of biological tissues.
See Gastrointestinal tract and Histology
Histone H3
Histone H3 is one of the five main histones involved in the structure of chromatin in eukaryotic cells.
See Gastrointestinal tract and Histone H3
Homeostasis
In biology, homeostasis (British also homoeostasis) is the state of steady internal physical and chemical conditions maintained by living systems.
See Gastrointestinal tract and Homeostasis
Hormone
A hormone (from the Greek participle ὁρμῶν, "setting in motion") is a class of signaling molecules in multicellular organisms that are sent to distant organs or tissues by complex biological processes to regulate physiology and behavior.
See Gastrointestinal tract and Hormone
Host–pathogen interaction
The host–pathogen interaction is defined as how microbes or viruses sustain themselves within host organisms on a molecular, cellular, organismal or population level.
See Gastrointestinal tract and Host–pathogen interaction
Human
Humans (Homo sapiens, meaning "thinking man") or modern humans are the most common and widespread species of primate, and the last surviving species of the genus Homo.
See Gastrointestinal tract and Human
Human anus
In humans, the anus (anuses or ani; from Latin ānus, "ring", "circle") is the external opening of the rectum located inside the intergluteal cleft. Gastrointestinal tract and human anus are digestive system.
See Gastrointestinal tract and Human anus
Human body
The human body is the entire structure of a human being.
See Gastrointestinal tract and Human body
Human digestive system
The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion (the tongue, salivary glands, pancreas, liver, and gallbladder). Gastrointestinal tract and human digestive system are digestive system.
See Gastrointestinal tract and Human digestive system
Human feces
Human feces (or faeces in British English) are the solid or semisolid remains of food that could not be digested or absorbed in the small intestine of humans, but has been further broken down by bacteria in the large intestine.
See Gastrointestinal tract and Human feces
Human microbiome
The human microbiome is the aggregate of all microbiota that reside on or within human tissues and biofluids along with the corresponding anatomical sites in which they reside, including the gastrointestinal tract, skin, mammary glands, seminal fluid, uterus, ovarian follicles, lung, saliva, oral mucosa, conjunctiva, and the biliary tract.
See Gastrointestinal tract and Human microbiome
Human mouth
In human anatomy, the mouth is the first portion of the alimentary canal that receives food and produces saliva. Gastrointestinal tract and human mouth are digestive system.
See Gastrointestinal tract and Human mouth
Human skin
The human skin is the outer covering of the body and is the largest organ of the integumentary system.
See Gastrointestinal tract and Human skin
Hydrogen
Hydrogen is a chemical element; it has symbol H and atomic number 1.
See Gastrointestinal tract and Hydrogen
Hypothalamus
The hypothalamus (hypothalami) is a small part of the vertebrate brain that contains a number of nuclei with a variety of functions. Gastrointestinal tract and hypothalamus are endocrine system.
See Gastrointestinal tract and Hypothalamus
Ileitis
Ileitis is an inflammation of the ileum, a portion of the small intestine.
See Gastrointestinal tract and Ileitis
Ileum
The ileum is the final section of the small intestine in most higher vertebrates, including mammals, reptiles, and birds.
See Gastrointestinal tract and Ileum
Ileus
Ileus is a disruption of the normal propulsive ability of the intestine. Gastrointestinal tract and Ileus are digestive system.
See Gastrointestinal tract and Ileus
Immune system
The immune system is a network of biological systems that protects an organism from diseases.
See Gastrointestinal tract and Immune system
Immunoglobulin A
Immunoglobulin A (Ig A, also referred to as sIgA in its secretory form) is an antibody that plays a role in the immune function of mucous membranes.
See Gastrointestinal tract and Immunoglobulin A
Infarction
Infarction is tissue death (necrosis) due to inadequate blood supply to the affected area.
See Gastrointestinal tract and Infarction
Infection
An infection is the invasion of tissues by pathogens, their multiplication, and the reaction of host tissues to the infectious agent and the toxins they produce.
See Gastrointestinal tract and Infection
Inferior mesenteric artery
In human anatomy, the inferior mesenteric artery (IMA) is the third main branch of the abdominal aorta and arises at the level of L3, supplying the large intestine from the distal transverse colon to the upper part of the anal canal.
See Gastrointestinal tract and Inferior mesenteric artery
Inflammation
Inflammation (from inflammatio) is part of the biological response of body tissues to harmful stimuli, such as pathogens, damaged cells, or irritants.
See Gastrointestinal tract and Inflammation
Inflammatory bowel disease
Inflammatory bowel disease (IBD) is a group of inflammatory conditions of the colon and small intestine, with Crohn's disease and ulcerative colitis (UC) being the principal types.
See Gastrointestinal tract and Inflammatory bowel disease
Intelectin-1
Intelectin-1, also known as omentin or intestinal lactoferrin receptor, is an intelectin encoded in humans by the ITLN1 gene.
See Gastrointestinal tract and Intelectin-1
Interstitial cell of Cajal
Interstitial cells of Cajal (ICC) are interstitial cells found in the gastrointestinal tract. Gastrointestinal tract and interstitial cell of Cajal are digestive system.
See Gastrointestinal tract and Interstitial cell of Cajal
Intestinal epithelium
The intestinal epithelium is the single cell layer that forms the luminal surface (lining) of both the small and large intestine (colon) of the gastrointestinal tract.
See Gastrointestinal tract and Intestinal epithelium
Intestinal mucosal barrier
The intestinal mucosal barrier, also referred to as intestinal barrier, refers to the property of the intestinal mucosa that ensures adequate containment of undesirable luminal contents within the intestine while preserving the ability to absorb nutrients. Gastrointestinal tract and intestinal mucosal barrier are digestive system.
See Gastrointestinal tract and Intestinal mucosal barrier
Intestinal villus
Intestinal villi (villus) are small, finger-like projections that extend into the lumen of the small intestine.
See Gastrointestinal tract and Intestinal villus
Intracrine
Intracrine refers to a hormone that acts inside a cell, regulating intracellular events.
See Gastrointestinal tract and Intracrine
Intrinsic factor
Intrinsic factor (IF), cobalamin binding intrinsic factor, also known as gastric intrinsic factor (GIF), is a glycoprotein produced by the parietal cells (in humans) or chief cells (in rodents) of the stomach.
See Gastrointestinal tract and Intrinsic factor
Intussusception (medical disorder)
Intussusception is a medical condition in which a part of the intestine folds into the section immediately ahead of it.
See Gastrointestinal tract and Intussusception (medical disorder)
Irritable bowel syndrome
Irritable bowel syndrome (IBS) is a functional gastrointestinal disorder characterized by a group of symptoms that commonly include abdominal pain, abdominal bloating and changes in the consistency of bowel movements.
See Gastrointestinal tract and Irritable bowel syndrome
Jejunum
The jejunum is the second part of the small intestine in humans and most higher vertebrates, including mammals, reptiles, and birds.
See Gastrointestinal tract and Jejunum
Kokoretsi
Kokoretsi or kokoreç is a dish of the Balkans and Anatolia (Asia Minor), consisting of lamb or goat intestines wrapped around seasoned offal, including sweetbreads, hearts, lungs, or kidneys, and typically grilled; a variant consists of chopped innards cooked on a griddle.
See Gastrointestinal tract and Kokoretsi
Lamina propria
The lamina propria is a thin layer of connective tissue that forms part of the moist linings known as mucous membranes or mucosae, which line various tubes in the body, such as the respiratory tract, the gastrointestinal tract, and the urogenital tract.
See Gastrointestinal tract and Lamina propria
Large intestine
The large intestine, also known as the large bowel, is the last part of the gastrointestinal tract and of the digestive system in tetrapods. Gastrointestinal tract and large intestine are abdomen and digestive system.
See Gastrointestinal tract and Large intestine
Lipase
In biochemistry, lipase refers to a class of enzymes that catalyzes the hydrolysis of fats.
See Gastrointestinal tract and Lipase
Liver
The liver is a major metabolic organ exclusively found in vertebrate animals, which performs many essential biological functions such as detoxification of the organism, and the synthesis of proteins and various other biochemicals necessary for digestion and growth. Gastrointestinal tract and liver are abdomen and digestive system.
See Gastrointestinal tract and Liver
Livestock
Livestock are the domesticated animals raised in an agricultural setting in order to provide labour and produce diversified products for consumption such as meat, eggs, milk, fur, leather, and wool.
See Gastrointestinal tract and Livestock
Lower gastrointestinal series
A lower gastrointestinal series is a medical procedure used to examine and diagnose problems with the human colon of the large intestine.
See Gastrointestinal tract and Lower gastrointestinal series
Lumen (anatomy)
In biology, a lumen (lumina) is the inside space of a tubular structure, such as an artery or intestine.
See Gastrointestinal tract and Lumen (anatomy)
Maize
Maize (Zea mays), also known as corn in North American English, is a tall stout grass that produces cereal grain.
See Gastrointestinal tract and Maize
Malabsorption
Malabsorption is a state arising from abnormality in absorption of food nutrients across the gastrointestinal (GI) tract.
See Gastrointestinal tract and Malabsorption
Maurice Gibb
Maurice Ernest Gibb (22 December 1949 – 12 January 2003) was a British musician and songwriter.
See Gastrointestinal tract and Maurice Gibb
Meckel's diverticulum
A Meckel's diverticulum, a true congenital diverticulum, is a slight bulge in the small intestine present at birth and a vestigial remnant of the vitelline duct.
See Gastrointestinal tract and Meckel's diverticulum
Melena
Melena is a form of blood in stool which refers to the dark black, tarry feces that are commonly associated with upper gastrointestinal bleeding.
See Gastrointestinal tract and Melena
Mesentery
In human anatomy, the mesentery, an organ that attaches the intestines to the posterior abdominal wall, comprises the double fold of the peritoneum. Gastrointestinal tract and mesentery are abdomen and digestive system.
See Gastrointestinal tract and Mesentery
Mesoderm
The mesoderm is the middle layer of the three germ layers that develops during gastrulation in the very early development of the embryo of most animals.
See Gastrointestinal tract and Mesoderm
Micelle
A micelle or micella (or micellae, respectively) is an aggregate (or supramolecular assembly) of surfactant amphipathic lipid molecules dispersed in a liquid, forming a colloidal suspension (also known as associated colloidal system).
See Gastrointestinal tract and Micelle
Microaerophile
A microaerophile is a microorganism that requires environments containing lower levels of dioxygen than that are present in the atmosphere (i.e. 2; typically 2–10% O2) for optimal growth.
See Gastrointestinal tract and Microaerophile
Microorganism
A microorganism, or microbe, is an organism of microscopic size, which may exist in its single-celled form or as a colony of cells. The possible existence of unseen microbial life was suspected from ancient times, such as in Jain scriptures from sixth century BC India. The scientific study of microorganisms began with their observation under the microscope in the 1670s by Anton van Leeuwenhoek.
See Gastrointestinal tract and Microorganism
Midgut
The midgut is the portion of the human embryo from which most of the intestines develop.
See Gastrointestinal tract and Midgut
Milk
Milk is a white liquid food produced by the mammary glands of mammals.
See Gastrointestinal tract and Milk
Monotreme
Monotremes are mammals of the order Monotremata.
See Gastrointestinal tract and Monotreme
Mouth
The mouth is the body orifice through which many animals ingest food and vocalize. Gastrointestinal tract and mouth are digestive system.
See Gastrointestinal tract and Mouth
Mucin
Mucins are a family of high molecular weight, heavily glycosylated proteins (glycoconjugates) produced by epithelial tissues in most animals.
See Gastrointestinal tract and Mucin
Mucin 6
Mucin 6, oligomeric mucus/gel-forming, also known as MUC6, is a human gene encoding a protein of the same name.
See Gastrointestinal tract and Mucin 6
Mucous membrane
A mucous membrane or mucosa is a membrane that lines various cavities in the body of an organism and covers the surface of internal organs.
See Gastrointestinal tract and Mucous membrane
Mucus
Mucus is a slippery aqueous secretion produced by, and covering, mucous membranes.
See Gastrointestinal tract and Mucus
Muscle tone
In physiology, medicine, and anatomy, muscle tone (residual muscle tension or tonus) is the continuous and passive partial contraction of the muscles, or the muscle's resistance to passive stretch during resting state.
See Gastrointestinal tract and Muscle tone
Muscular layer
The muscular layer (muscular coat, muscular fibers, muscularis propria, muscularis externa) is a region of muscle in many organs in the vertebrate body, adjacent to the submucosa.
See Gastrointestinal tract and Muscular layer
Muscularis mucosae
The muscularis mucosae (or lamina muscularis mucosae) is a thin layer (lamina) of muscle of the gastrointestinal tract, located outside the lamina propria, and separating it from the submucosa. Gastrointestinal tract and muscularis mucosae are digestive system.
See Gastrointestinal tract and Muscularis mucosae
Myenteric plexus
The myenteric plexus (or Auerbach's plexus) provides motor innervation to both layers of the muscular layer of the gut, having both parasympathetic and sympathetic input (although present ganglion cell bodies belong to parasympathetic innervation, fibers from sympathetic innervation also reach the plexus), whereas the submucous plexus provides secretomotor innervation to the mucosa nearest the lumen of the gut. Gastrointestinal tract and myenteric plexus are digestive system.
See Gastrointestinal tract and Myenteric plexus
Nature Communications
Nature Communications is a peer-reviewed, open access, scientific journal published by Nature Portfolio since 2010.
See Gastrointestinal tract and Nature Communications
Nematode
The nematodes (or; Νηματώδη; Nematoda), roundworms or eelworms constitute the phylum Nematoda.
See Gastrointestinal tract and Nematode
Nephrozoa
Nephrozoa is a proposed major clade of bilaterian animals.
See Gastrointestinal tract and Nephrozoa
Neuroendocrinology
Neuroendocrinology is the branch of biology (specifically of physiology) which studies the interaction between the nervous system and the endocrine system; i.e. how the brain regulates the hormonal activity in the body.
See Gastrointestinal tract and Neuroendocrinology
North Africa
North Africa (sometimes Northern Africa) is a region encompassing the northern portion of the African continent. There is no singularly accepted scope for the region, and it is sometimes defined as stretching from the Atlantic shores of the Western Sahara in the west, to Egypt and Sudan's Red Sea coast in the east.
See Gastrointestinal tract and North Africa
Nuclear medicine
Nuclear medicine, or nucleology, is a medical specialty involving the application of radioactive substances in the diagnosis and treatment of disease.
See Gastrointestinal tract and Nuclear medicine
Nutrient
A nutrient is a substance used by an organism to survive, grow and reproduce.
See Gastrointestinal tract and Nutrient
Nylon
Nylon is a family of synthetic polymers with amide backbones, usually linking aliphatic or semi-aromatic groups.
See Gastrointestinal tract and Nylon
Oral cancer
Oral cancer, also known as oral cavity cancer or mouth cancer, is a cancer of the lining of the lips, mouth, or upper throat.
See Gastrointestinal tract and Oral cancer
Organ (biology)
In a multicellular organism, an organ is a collection of tissues joined in a structural unit to serve a common function.
See Gastrointestinal tract and Organ (biology)
Organ-on-a-chip
An organ-on-a-chip (OOC) is a multi-channel 3-D microfluidic cell culture, integrated circuit (chip) that simulates the activities, mechanics and physiological response of an entire organ or an organ system.
See Gastrointestinal tract and Organ-on-a-chip
Osculum
The osculum (oscula) is an excretory structure in the living sponge, a large opening to the outside through which the current of water exits after passing through the spongocoel.
See Gastrointestinal tract and Osculum
Pancreas
The pancreas is an organ of the digestive system and endocrine system of vertebrates. Gastrointestinal tract and pancreas are abdomen, digestive system and endocrine system.
See Gastrointestinal tract and Pancreas
Pancreatic juice
Pancreatic juice is a liquid secreted by the pancreas, which contains a number of digestive enzymes, including trypsinogen, chymotrypsinogen, elastase, carboxypeptidase, pancreatic lipase, nucleases and amylase. Gastrointestinal tract and pancreatic juice are endocrine system.
See Gastrointestinal tract and Pancreatic juice
Pancreatitis
Pancreatitis is a condition characterized by inflammation of the pancreas.
See Gastrointestinal tract and Pancreatitis
Parietal cell
Parietal cells (also known as oxyntic cells) are epithelial cells in the stomach that secrete hydrochloric acid (HCl) and intrinsic factor.
See Gastrointestinal tract and Parietal cell
Pathogen
In biology, a pathogen (πάθος, "suffering", "passion" and -γενής, "producer of"), in the oldest and broadest sense, is any organism or agent that can produce disease.
See Gastrointestinal tract and Pathogen
Pepsin
Pepsin is an endopeptidase that breaks down proteins into smaller peptides and amino acids.
See Gastrointestinal tract and Pepsin
Peptic ulcer disease
Peptic ulcer disease is a break in the inner lining of the stomach, the first part of the small intestine, or sometimes the lower esophagus.
See Gastrointestinal tract and Peptic ulcer disease
Peristalsis
Peristalsis is a type of intestinal motility, characterized by radially symmetrical contraction and relaxation of muscles that propagate in a wave down a tube, in an anterograde direction. Gastrointestinal tract and Peristalsis are digestive system.
See Gastrointestinal tract and Peristalsis
PH
In chemistry, pH, also referred to as acidity or basicity, historically denotes "potential of hydrogen" (or "power of hydrogen").
See Gastrointestinal tract and PH
Pharynx
The pharynx (pharynges) is the part of the throat behind the mouth and nasal cavity, and above the esophagus and trachea (the tubes going down to the stomach and the lungs respectively). Gastrointestinal tract and pharynx are digestive system.
See Gastrointestinal tract and Pharynx
Pig
The pig (Sus domesticus), also called swine (swine) or hog, is an omnivorous, domesticated, even-toed, hoofed mammal.
See Gastrointestinal tract and Pig
Placentalia
Placental mammals (infraclass Placentalia) are one of the three extant subdivisions of the class Mammalia, the other two being Monotremata and Marsupialia.
See Gastrointestinal tract and Placentalia
Polyp (medicine)
A polyp is an abnormal growth of tissue projecting from a mucous membrane.
See Gastrointestinal tract and Polyp (medicine)
Proarticulata
Proarticulata is a proposed phylum of extinct, near-bilaterally symmetrical animals known from fossils found in the Ediacaran (Vendian) marine deposits, and dates to approximately.
See Gastrointestinal tract and Proarticulata
Propionic acid
Propionic acid (from the Greek words πρῶτος: prōtos, meaning "first", and πίων: píōn, meaning "fat"; also known as propanoic acid) is a naturally occurring carboxylic acid with chemical formula.
See Gastrointestinal tract and Propionic acid
Pylorus
The pylorus connects the stomach to the duodenum. Gastrointestinal tract and pylorus are digestive system.
See Gastrointestinal tract and Pylorus
Racket (sports equipment)
A racket or racquet is an item of sporting equipment used to strike a ball or shuttlecock back-and-forth in games such as tennis, badminton, squash, racquetball and padel.
See Gastrointestinal tract and Racket (sports equipment)
Radiodensity
Radiodensity (or radiopacity) is opacity to the radio wave and X-ray portion of the electromagnetic spectrum: that is, the relative inability of those kinds of electromagnetic radiation to pass through a particular material.
See Gastrointestinal tract and Radiodensity
Radionuclide
A radionuclide (radioactive nuclide, radioisotope or radioactive isotope) is a nuclide that has excess numbers of either neutrons or protons, giving it excess nuclear energy, and making it unstable.
See Gastrointestinal tract and Radionuclide
Rectum
The rectum (rectums or recta) is the final straight portion of the large intestine in humans and some other mammals, and the gut in others. Gastrointestinal tract and rectum are digestive system.
See Gastrointestinal tract and Rectum
Regulatory T cell
The regulatory T cells (Tregs or Treg cells), formerly known as suppressor T cells, are a subpopulation of T cells that modulate the immune system, maintain tolerance to self-antigens, and prevent autoimmune disease.
See Gastrointestinal tract and Regulatory T cell
Regurgitation (digestion)
Regurgitation is the expulsion of material from the pharynx, or esophagus, usually characterized by the presence of undigested food or blood.
See Gastrointestinal tract and Regurgitation (digestion)
Rennet
Rennet is a complex set of enzymes produced in the stomachs of ruminant mammals.
See Gastrointestinal tract and Rennet
Reptile
Reptiles, as commonly defined, are a group of tetrapods with usually an ectothermic ('cold-blooded') metabolism and amniotic development.
See Gastrointestinal tract and Reptile
Retroperitoneal space
The retroperitoneal space (retroperitoneum) is the anatomical space (sometimes a potential space) behind (retro) the peritoneum. Gastrointestinal tract and retroperitoneal space are abdomen.
See Gastrointestinal tract and Retroperitoneal space
Ruminant
Ruminants are herbivorous grazing or browsing artiodactyls belonging to the suborder Ruminantia that are able to acquire nutrients from plant-based food by fermenting it in a specialized stomach prior to digestion, principally through microbial actions.
See Gastrointestinal tract and Ruminant
Saliva
Saliva (commonly referred to as spit or drool) is an extracellular fluid produced and secreted by salivary glands in the mouth.
See Gastrointestinal tract and Saliva
Salivary gland
The salivary glands in many vertebrates including mammals are exocrine glands that produce saliva through a system of ducts.
See Gastrointestinal tract and Salivary gland
Sausage
A sausage is a type of meat product usually made from ground meat—often pork, beef, or poultry—along with salt, spices and other flavourings.
See Gastrointestinal tract and Sausage
Sausage casing
Sausage casing, also known as sausage skin or simply casing, is the material that encloses the filling of a sausage.
See Gastrointestinal tract and Sausage casing
Secretin
Secretin is a hormone that regulates water homeostasis throughout the body and influences the environment of the duodenum by regulating secretions in the stomach, pancreas, and liver. Gastrointestinal tract and secretin are digestive system.
See Gastrointestinal tract and Secretin
Serous membrane
The serous membrane (or serosa) is a smooth tissue membrane of mesothelium lining the contents and inner walls of body cavities, which secrete serous fluid to allow lubricated sliding movements between opposing surfaces.
See Gastrointestinal tract and Serous membrane
Sheep
Sheep (sheep) or domestic sheep (Ovis aries) are a domesticated, ruminant mammal typically kept as livestock.
See Gastrointestinal tract and Sheep
Short-chain fatty acid
Short-chain fatty acids (SCFAs) are fatty acids of two to six carbon atoms.
See Gastrointestinal tract and Short-chain fatty acid
Sigmoid colon
The sigmoid colon (or pelvic colon) is the part of the large intestine that is closest to the rectum and anus. Gastrointestinal tract and sigmoid colon are digestive system.
See Gastrointestinal tract and Sigmoid colon
Sigmoidoscopy
Sigmoidoscopy ("sigma", the Greek term for letter "s/ς" + "eidos" + "scopy": namely, to look inside an "s"/"ς"-like object) is the minimally invasive medical examination of the large intestine from the rectum through to the nearest part of the colon, the sigmoid colon.
See Gastrointestinal tract and Sigmoidoscopy
Silk
Silk is a natural protein fiber, some forms of which can be woven into textiles.
See Gastrointestinal tract and Silk
Small intestine
The small intestine or small bowel is an organ in the gastrointestinal tract where most of the absorption of nutrients from food takes place. Gastrointestinal tract and small intestine are abdomen and digestive system.
See Gastrointestinal tract and Small intestine
Smooth muscle
Smooth (soft) muscle is one of the three major types of vertebrate muscle tissue, the other being skeletal and cardiac muscle.
See Gastrointestinal tract and Smooth muscle
Snare drum
The snare drum (or side drum) is a percussion instrument that produces a sharp staccato sound when the head is struck with a drum stick, due to the use of a series of stiff wires held under tension against the lower skin.
See Gastrointestinal tract and Snare drum
Sodium
Sodium is a chemical element; it has symbol Na (from Neo-Latin natrium) and atomic number 11.
See Gastrointestinal tract and Sodium
Spleen
The spleen is an organ found in almost all vertebrates. Gastrointestinal tract and spleen are abdomen.
See Gastrointestinal tract and Spleen
Sponge
Sponges (also known as sea sponges), the members of the phylum Porifera (meaning 'pore bearer'), are a basal animal clade as a sister of the diploblasts.
See Gastrointestinal tract and Sponge
Steel
Steel is an alloy of iron and carbon with improved strength and fracture resistance compared to other forms of iron.
See Gastrointestinal tract and Steel
Stomach
The stomach is a muscular, hollow organ in the upper gastrointestinal tract of humans and many other animals, including several invertebrates. Gastrointestinal tract and stomach are abdomen and digestive system.
See Gastrointestinal tract and Stomach
Stomach cancer
Stomach cancer, also known as gastric cancer, is a cancer that develops from the lining of the stomach. Gastrointestinal tract and stomach cancer are abdomen.
See Gastrointestinal tract and Stomach cancer
Strain (biology)
In biology, a strain is a genetic variant, a subtype or a culture within a biological species.
See Gastrointestinal tract and Strain (biology)
String (music)
In music, strings are long flexible structures on string instruments that produce sound through vibration.
See Gastrointestinal tract and String (music)
Submucosa
The submucosa (or tela submucosa) is a thin layer of tissue in various organs of the gastrointestinal, respiratory, and genitourinary tracts. Gastrointestinal tract and submucosa are digestive system.
See Gastrointestinal tract and Submucosa
Submucosal plexus
The submucosal plexus (Meissner's plexus, plexus of the submucosa, plexus submucosus) lies in the submucosa of the intestinal wall.
See Gastrointestinal tract and Submucosal plexus
Superior mesenteric artery
In human anatomy, the superior mesenteric artery (SMA) is an artery which arises from the anterior surface of the abdominal aorta, just inferior to the origin of the celiac trunk, and supplies blood to the intestine from the lower part of the duodenum through two-thirds of the transverse colon, as well as the pancreas.
See Gastrointestinal tract and Superior mesenteric artery
Suspensory muscle of duodenum
The suspensory muscle of duodenum (also known as suspensory ligament of duodenum, Treitz's muscle or ligament of Treitz) is a thin muscle connecting the junction between the duodenum and jejunum (the small intestine's first and second parts, respectively), as well as the duodenojejunal flexure to connective tissue surrounding the superior mesenteric and coeliac arteries. Gastrointestinal tract and suspensory muscle of duodenum are digestive system.
See Gastrointestinal tract and Suspensory muscle of duodenum
Symbiosis
Symbiosis (from Greek,, "living with, companionship, camaraderie", from,, "together", and, bíōsis, "living") is any type of a close and long-term biological interaction between two biological organisms of different species, termed symbionts, be it mutualistic, commensalistic, or parasitic.
See Gastrointestinal tract and Symbiosis
T cell
T cells are one of the important types of white blood cells of the immune system and play a central role in the adaptive immune response.
See Gastrointestinal tract and T cell
Tennis
Tennis is a racket sport that is played either individually against a single opponent (singles) or between two teams of two players each (doubles).
See Gastrointestinal tract and Tennis
The New York Times
The New York Times (NYT) is an American daily newspaper based in New York City.
See Gastrointestinal tract and The New York Times
Theria
Theria is a subclass of mammals amongst the Theriiformes.
See Gastrointestinal tract and Theria
Third Dynasty of Egypt
The Third Dynasty of ancient Egypt (Dynasty III) is the first dynasty of the Old Kingdom.
See Gastrointestinal tract and Third Dynasty of Egypt
Tongue
The tongue is a muscular organ in the mouth of a typical tetrapod. Gastrointestinal tract and tongue are digestive system.
See Gastrointestinal tract and Tongue
Torcinello
Torcinello (turcenélle in the Apulian and Molise dialects; mboti, turcinieddi or turcinieddhri in the Salento dialect) is an Italian dish from Apulia and Molise consisting of lamb intestines wrapped around lamb liver or offal, typically testicles.
See Gastrointestinal tract and Torcinello
Toxic megacolon
Toxic megacolon is an acute form of colonic distension.
See Gastrointestinal tract and Toxic megacolon
Transpyloric plane
The transpyloric plane, also known as Addison's plane, is an imaginary horizontal plane, located halfway between the suprasternal notch of the manubrium and the upper border of the symphysis pubis at the level of the first lumbar vertebrae, L1.
See Gastrointestinal tract and Transpyloric plane
Transverse colon
In human anatomy, the transverse colon is the longest and most movable part of the colon.
See Gastrointestinal tract and Transverse colon
Tropism
In biology, a tropism is a phenomenon indicating the growth or turning movement of an organism, usually a plant, in response to an environmental stimulus.
See Gastrointestinal tract and Tropism
Tumor microenvironment
The tumor microenvironment is a complex ecosystem surrounding a tumor, composed of cancer cells, stromal tissue (including blood vessels, immune cells, fibroblasts and signaling molecules) and the extracellular matrix.
See Gastrointestinal tract and Tumor microenvironment
Ulcerative colitis
Ulcerative colitis (UC) is one of the two types of inflammatory bowel disease (IBD), with the other type being Crohn's disease.
See Gastrointestinal tract and Ulcerative colitis
Upper gastrointestinal series
An upper gastrointestinal series, also called a barium swallow, barium study, or barium meal, is a series of radiographs used to examine the gastrointestinal tract for abnormalities.
See Gastrointestinal tract and Upper gastrointestinal series
Urinary system
The human urinary system, also known as the urinary tract or renal system, consists of the kidneys, ureters, bladder, and the urethra.
See Gastrointestinal tract and Urinary system
Vertebrate
Vertebrates are deuterostomal animals with bony or cartilaginous axial endoskeleton — known as the vertebral column, spine or backbone — around and along the spinal cord, including all fish, amphibians, reptiles, birds and mammals.
See Gastrointestinal tract and Vertebrate
Vitamin B12
Vitamin B12, also known as cobalamin, is a water-soluble vitamin involved in metabolism.
See Gastrointestinal tract and Vitamin B12
Vitelline duct
In the human embryo, the vitelline duct, also known as the vitellointestinal duct, the yolk stalk, the omphaloenteric duct, or the omphalomesenteric duct, is a long narrow tube that joins the yolk sac to the midgut lumen of the developing fetus.
See Gastrointestinal tract and Vitelline duct
Volvulus
A volvulus is when a loop of intestine twists around itself and the mesentery that supports it, resulting in a bowel obstruction.
See Gastrointestinal tract and Volvulus
Vomiting
Vomiting (also known as emesis and throwing up) is the involuntary, forceful expulsion of the contents of one's stomach through the mouth and sometimes the nose.
See Gastrointestinal tract and Vomiting
Xenacoelomorpha
Xenacoelomorpha is a small phylum of bilaterian invertebrate animals, consisting of two sister groups: xenoturbellids and acoelomorphs.
See Gastrointestinal tract and Xenacoelomorpha
Xenobiotic
A xenobiotic is a chemical substance found within an organism that is not naturally produced or expected to be present within the organism.
See Gastrointestinal tract and Xenobiotic
Yellow fever
Yellow fever is a viral disease of typically short duration.
See Gastrointestinal tract and Yellow fever
Yolk sac
The yolk sac is a membranous sac attached to an embryo, formed by cells of the hypoblast layer of the bilaminar embryonic disc.
See Gastrointestinal tract and Yolk sac
References
Also known as Alimentary, Alimentary Canal, Alimentary canals, Alimentary systems, Alimentary tract, Alimentation, Bowel, Bowels, Bowlles, Canalis alimentarius, Canalis gastrointestinales, Colon system, Digestive organ, Digestive organs, Digestive system diseases, Digestive systems, Digestive tract, Digestive tracts, Digestive tube, Enteric, Enteron, Entrail, Entrails, Extraenteric, GI system, GI tract, Gastric System, Gastro-intestinal, Gastro-intestinal tract, Gastro-intestinal tract of humans, Gastrointestinal, Gastrointestinal agents, Gastrointestinal canal, Gastrointestinal canals, Gastrointestinal function, Gastrointestinal system, Gastrointestinal systems, Gastrointestinal tracts, Gastrointestinal transit, Gastrointestinal transit time, Gut (anatomy), Gut (zoology), Gut lumen, Gut tract, Gut tracts, Gut tube, Guts, Human digestive tract, Human gastro-intestinal tract, Human gastrointestinal tract, Human gastrointestinal tracts, Instestines, Intestinal, Intestinal Disease, Intestinal ailment, Intestinal canal, Intestinal canals, Intestinal diseases, Intestinal lumen, Intestinal paralysis, Intestinal tract, Intestine, Intestines, List of intestinal diseases, Lower Intestine, Lower gastrointestinal tract, Lower gastrointestinal tracts, Lower intestines, The Alimentary System, Tractus digestorius, Upper alimentary tract, Upper gastrointestinal tract, Upper gastrointestinal tracts, Éntera.
, Circular folds, Cloaca, Clostridia, Cloudinidae, Cnidaria, Coeliac disease, Colic flexures, Colitis, Colonoscopy, Colorectal cancer, Colorectal polyp, Concave polygon, Condom, Connective tissue, Constipation, Crohn's disease, Crop (anatomy), Ctenophora, CYP3A4, Descending colon, Development of the digestive system, Diarrhea, Digestion, Digestive enzyme, Digestive system surgery, Dissection, Diverticular disease, Diverticulitis, Diverticulosis, Drug metabolism, Duodenal bulb, Duodenum, Dysbiosis, Ediacaran, Embryo, Embryological origins of the mouth and anus, Embryology, Emulsion, Endoderm, Endometriosis, Endoscopy, Energy, Enteric duplication cyst, Enteric nervous system, Enterovirus, Enzyme, Esophageal cancer, Esophagus, Evolution, Feces, Fermentation, Fetus, Fish, Flatulence, Flatworm, Foodborne illness, Foregut, FOXP3, Functional abdominal pain syndrome, Functional gastrointestinal disorder, Fusee (horology), Gallbladder, Gastric chief cell, Gastrin, Gastritis, Gastroenteritis, Gastrointestinal bleeding, Gastrointestinal cancer, Gastrointestinal physiology, Gastrointestinal tract, Geologic time scale, Ghrelin, Giardiasis, Gizzard, Goldbeater's skin, Gonopore, Gram-negative bacteria, Grandfather clock, Gross anatomy, Gut microbiota, Gut-associated lymphoid tissue, Haggis, Helicobacter pylori, Hematemesis, Hematochezia, Hindgut, Hirschsprung's disease, Histology, Histone H3, Homeostasis, Hormone, Host–pathogen interaction, Human, Human anus, Human body, Human digestive system, Human feces, Human microbiome, Human mouth, Human skin, Hydrogen, Hypothalamus, Ileitis, Ileum, Ileus, Immune system, Immunoglobulin A, Infarction, Infection, Inferior mesenteric artery, Inflammation, Inflammatory bowel disease, Intelectin-1, Interstitial cell of Cajal, Intestinal epithelium, Intestinal mucosal barrier, Intestinal villus, Intracrine, Intrinsic factor, Intussusception (medical disorder), Irritable bowel syndrome, Jejunum, Kokoretsi, Lamina propria, Large intestine, Lipase, Liver, Livestock, Lower gastrointestinal series, Lumen (anatomy), Maize, Malabsorption, Maurice Gibb, Meckel's diverticulum, Melena, Mesentery, Mesoderm, Micelle, Microaerophile, Microorganism, Midgut, Milk, Monotreme, Mouth, Mucin, Mucin 6, Mucous membrane, Mucus, Muscle tone, Muscular layer, Muscularis mucosae, Myenteric plexus, Nature Communications, Nematode, Nephrozoa, Neuroendocrinology, North Africa, Nuclear medicine, Nutrient, Nylon, Oral cancer, Organ (biology), Organ-on-a-chip, Osculum, Pancreas, Pancreatic juice, Pancreatitis, Parietal cell, Pathogen, Pepsin, Peptic ulcer disease, Peristalsis, PH, Pharynx, Pig, Placentalia, Polyp (medicine), Proarticulata, Propionic acid, Pylorus, Racket (sports equipment), Radiodensity, Radionuclide, Rectum, Regulatory T cell, Regurgitation (digestion), Rennet, Reptile, Retroperitoneal space, Ruminant, Saliva, Salivary gland, Sausage, Sausage casing, Secretin, Serous membrane, Sheep, Short-chain fatty acid, Sigmoid colon, Sigmoidoscopy, Silk, Small intestine, Smooth muscle, Snare drum, Sodium, Spleen, Sponge, Steel, Stomach, Stomach cancer, Strain (biology), String (music), Submucosa, Submucosal plexus, Superior mesenteric artery, Suspensory muscle of duodenum, Symbiosis, T cell, Tennis, The New York Times, Theria, Third Dynasty of Egypt, Tongue, Torcinello, Toxic megacolon, Transpyloric plane, Transverse colon, Tropism, Tumor microenvironment, Ulcerative colitis, Upper gastrointestinal series, Urinary system, Vertebrate, Vitamin B12, Vitelline duct, Volvulus, Vomiting, Xenacoelomorpha, Xenobiotic, Yellow fever, Yolk sac.