74 relations: Abdomen, Accessory nerve, Acetylcholine, Adrenaline, Amyloidosis, Anatomical terms of location, Autonomic nervous system, Autonomic neuropathy, Axon, Blood–brain barrier, Brachial plexus, Brachial plexus injury, Brain, Brainstem, Breathing, Carpal tunnel syndrome, Cell nucleus, Central nervous system, Classification of peripheral nerves, Cranial nerve ganglia, Cranial nerves, Diabetic neuropathy, Diencephalon, Ear, Enteric nervous system, Ganglion, Gland, Great auricular nerve, Greater occipital nerve, Head, Heart rate, Human digestive system, Lesser auricular nerve, Lesser occipital nerve, Lumbar nerves, Lumbar plexus, Lumbosacral plexus, Muscle, Neck, Nerve, Nerve compression syndrome, Nervous system, Nervous tissue, Neurotransmitter, Norepinephrine, Olfactory nerve, Optic nerve, Organ (anatomy), Parasympathetic nervous system, Peripheral neuropathy, ..., Phrenic nerve, Preferential motor reinnervation, Pudendal plexus (nerves), Retina, Sacral plexus, Sarcoidosis, Sensory nervous system, Skull, Somatic nervous system, Somatosensory system, Spinal cord, Spinal nerve, Sternocleidomastoid muscle, Subcostal nerve, Suboccipital nerve, Sympathetic nervous system, Tarsal tunnel syndrome, Taste, Thoracic diaphragm, Thorax, Toxin, Trapezius, Vagus nerve, Vertebral column. Expand index (24 more) » « Shrink index
The abdomen (less formally called the belly, stomach, tummy or midriff) constitutes the part of the body between the thorax (chest) and pelvis, in humans and in other vertebrates.
The accessory nerve is a spinal nerve that supplies the sternocleidomastoid and trapezius muscles.
Acetylcholine (ACh) is an organic chemical that functions in the brain and body of many types of animals, including humans, as a neurotransmitter—a chemical message released by nerve cells to send signals to other cells.
Adrenaline, also known as adrenalin or epinephrine, is a hormone, neurotransmitter, and medication.
Amyloidosis is a group of diseases in which abnormal protein, known as amyloid fibrils, builds up in tissue.
Standard anatomical terms of location deal unambiguously with the anatomy of animals, including humans.
The autonomic nervous system (ANS), formerly the vegetative nervous system, is a division of the peripheral nervous system that supplies smooth muscle and glands, and thus influences the function of internal organs.
Autonomic neuropathy (also AN or AAN) is a form of polyneuropathy that affects the non-voluntary, non-sensory nervous system (i.e., the autonomic nervous system), affecting mostly the internal organs such as the bladder muscles, the cardiovascular system, the digestive tract, and the genital organs.
An axon (from Greek ἄξων áxōn, axis) or nerve fiber, is a long, slender projection of a nerve cell, or neuron, that typically conducts electrical impulses known as action potentials, away from the nerve cell body.
The blood–brain barrier (BBB) is a highly selective semipermeable membrane barrier that separates the circulating blood from the brain and extracellular fluid in the central nervous system (CNS).
The brachial plexus is a network of nerves formed by the anterior rami of the lower four cervical nerves and first thoracic nerve (C5, C6, C7, C8, and T1).
A brachial plexus injury (BPI), also known as brachial plexus lesion, is an injury to the brachial plexus, the network of nerves that conducts signals from the spinal cord to the shoulder, arm and hand.
The brain is an organ that serves as the center of the nervous system in all vertebrate and most invertebrate animals.
The brainstem (or brain stem) is the posterior part of the brain, adjoining and structurally continuous with the spinal cord.
Breathing (or respiration, or ventilation) is the process of moving air into and out of the lungs to facilitate gas exchange with the internal environment, mostly by bringing in oxygen and flushing out carbon dioxide.
Carpal tunnel syndrome (CTS) is a medical condition due to compression of the median nerve as it travels through the wrist at the carpal tunnel.
In cell biology, the nucleus (pl. nuclei; from Latin nucleus or nuculeus, meaning kernel or seed) is a membrane-enclosed organelle found in eukaryotic cells.
The central nervous system (CNS) is the part of the nervous system consisting of the brain and spinal cord.
The classification of peripheral nerves in the peripheral nervous system (PNS) groups the nerves into two main groups, the somatic and the autonomic nervous systems.
In neuroanatomy, the cranial nerve ganglia are either parasympathetic or sensory ganglia of the cranial nerves.
Cranial nerves are the nerves that emerge directly from the brain (including the brainstem), in contrast to spinal nerves (which emerge from segments of the spinal cord).
Diabetic neuropathies are nerve damaging disorders associated with diabetes mellitus.
The diencephalon is a division of the forebrain (embryonic prosencephalon), and is situated between the telencephalon and the midbrain (embryonic mesencephalon).
The ear is the organ of hearing and, in mammals, balance.
The enteric nervous system (ENS) or intrinsic nervous system is one of the main divisions of the autonomic nervous system (ANS) and consists of a mesh-like system of neurons that governs the function of the gastrointestinal tract.
A ganglion is a nerve cell cluster or a group of nerve cell bodies located in the autonomic nervous system and sensory system.
A gland is a group of cells in an animal's body that synthesizes substances (such as hormones) for release into the bloodstream (endocrine gland) or into cavities inside the body or its outer surface (exocrine gland).
The great auricular nerve (or greater auricular nerve) originates from the cervical plexus, composed of branches of spinal nerves C2 and C3.
The greater occipital nerve is a spinal nerve, specifically the medial branch of the dorsal primary ramus of cervical spinal nerve 2.
A head is the part of an organism which usually includes the eyes, ears, nose, and mouth, each of which aid in various sensory functions such as sight, hearing, smell, and taste, respectively.
Heart rate is the speed of the heartbeat measured by the number of contractions of the heart per minute (bpm).
The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion (the tongue, salivary glands, pancreas, liver, and gallbladder).
There is no such a nerve named "lesser auricular nerve".
The lesser occipital nerve or small occipital nerve is a cutaneous spinal nerve arising between the second and third cervical vertebrae, along with the greater occipital nerve.
The lumbar nerves are the five pairs of spinal nerves emerging from the lumbar vertebrae.
The lumbar plexus is a web of nerves (a nervous plexus) in the lumbar region of the body which forms part of the larger lumbosacral plexus.
The anterior divisions of the lumbar nerves, sacral nerves, and coccygeal nerve form the lumbosacral plexus, the first lumbar nerve being frequently joined by a branch from the twelfth thoracic.
Muscle is a soft tissue found in most animals.
The neck is the part of the body, on many vertebrates, that separates the head from the torso.
A nerve is an enclosed, cable-like bundle of axons (nerve fibers, the long and slender projections of neurons) in the peripheral nervous system.
Nerve compression syndrome or compression neuropathy, also known as entrapment neuropathy, is a medical condition caused by direct pressure on a nerve.
The nervous system is the part of an animal that coordinates its actions by transmitting signals to and from different parts of its body.
Nervous tissue or nerve tissue is the main tissue component of the two parts of the nervous system; the brain and spinal cord of the central nervous system (CNS), and the branching peripheral nerves of the peripheral nervous system (PNS), which regulates and controls bodily functions and activity.
Neurotransmitters are endogenous chemicals that enable neurotransmission.
Norepinephrine (NE), also called noradrenaline (NA) or noradrenalin, is an organic chemical in the catecholamine family that functions in the brain and body as a hormone and neurotransmitter.
The olfactory nerve is typically considered the first cranial nerve, or simply CN I, that contains sensory nerve fibers relating to smell.
The optic nerve, also known as cranial nerve II, is a paired nerve that transmits visual information from the retina to the brain.
Organs are collections of tissues with similar functions.
The parasympathetic nervous system (PSNS) is one of the two divisions of the autonomic nervous system (a division of the peripheral nervous system (PNS)), the other being the sympathetic nervous system.
Peripheral neuropathy (PN) is damage to or disease affecting nerves, which may impair sensation, movement, gland or organ function, or other aspects of health, depending on the type of nerve affected.
The phrenic nerve is a nerve that originates in the neck (C3-C5) and passes down between the lung and heart to reach the diaphragm.
Preferential motor reinnervation (PMR) refers to the tendency of a regenerating axon in the peripheral nervous system (PNS) to reinnervate a motor pathway as opposed to a somatosensory pathway.
The pudendal plexus is a term used for a compound structure consisting of sacral spinal nerves.
The retina is the innermost, light-sensitive "coat", or layer, of shell tissue of the eye of most vertebrates and some molluscs.
In human anatomy, the sacral plexus is a nerve plexus which provides motor and sensory nerves for the posterior thigh, most of the lower leg and foot, and part of the pelvis.
Sarcoidosis is a disease involving abnormal collections of inflammatory cells that form lumps known as granulomas.
The sensory nervous system is a part of the nervous system responsible for processing sensory information.
The skull is a bony structure that forms the head in vertebrates.
The somatic nervous system (SNS or voluntary nervous system) is the part of the peripheral nervous system associated with the voluntary control of body movements via skeletal muscles.
The somatosensory system is a part of the sensory nervous system.
The spinal cord is a long, thin, tubular bundle of nervous tissue and support cells that extends from the medulla oblongata in the brainstem to the lumbar region of the vertebral column.
A spinal nerve is a mixed nerve, which carries motor, sensory, and autonomic signals between the spinal cord and the body.
The sternocleidomastoid muscle (also known as sternomastoid, commonly abbreviated as SCM or simply referred to as sterno muscle), is a paired muscle in the superficial layers of the side of the neck.
The anterior division of the twelfth thoracic nerve (subcostal nerve) is larger than the others; it runs along the lower border of the twelfth rib, often gives a communicating branch to the first lumbar nerve, and passes under the lateral lumbocostal arch.
The suboccipital nerve is the dorsal primary ramus of the first cervical nerve (C1).
The sympathetic nervous system (SNS) is one of the two main divisions of the autonomic nervous system, the other being the parasympathetic nervous system.
Tarsal tunnel syndrome (TTS), also known as posterior tibial neuralgia, is a compression neuropathy and painful foot condition in which the tibial nerve is compressed as it travels through the tarsal tunnel.
Taste, gustatory perception, or gustation is one of the five traditional senses that belongs to the gustatory system.
For other uses, see Diaphragm (disambiguation). The thoracic diaphragm, or simply the diaphragm (partition), is a sheet of internal skeletal muscle in humans and other mammals that extends across the bottom of the thoracic cavity.
The thorax or chest (from the Greek θώραξ thorax "breastplate, cuirass, corslet" via thorax) is a part of the anatomy of humans and various other animals located between the neck and the abdomen.
A toxin (from toxikon) is a poisonous substance produced within living cells or organisms; synthetic toxicants created by artificial processes are thus excluded.
The trapezius (or trapezoid) is a large paired surface muscle that extends longitudinally from the occipital bone to the lower thoracic vertebrae of the spine and laterally to the spine of the scapula.
The vagus nerve, historically cited as the pneumogastric nerve, is the tenth cranial nerve or CN X, and interfaces with parasympathetic control of the heart, lungs, and digestive tract.
The vertebral column, also known as the backbone or spine, is part of the axial skeleton.