189 relations: Acid, Acid phosphatase, Allergic response, Amine, Amino acid, Amphibian, Ancient Greece, Ancient Greek religion, Animal, Antibiotic, Anu, Aphrodisiac, Aristotle, Bible, Bird, Blood, Body of Christ, Borborites, British English, Buffer solution, Bukkake, Bulbourethral gland, Cadaverine, Calcium, Capacitation, Carbon dioxide, Cengage, Chloride, Chromatin, Church Fathers, Citric acid, Clement of Alexandria, Cloaca, Coagulation, Condom, Creampie (sexual act), Cryoconservation of animal genetic resources, CUB domain, Cum shot, Dew, Dietary supplement, DNA, Doctrine of signatures, Dysphemism, Ebola virus disease, Egg cell, Ejaculation, Ejaculatory duct, Enki, Enzyme, ..., Epididymis, Epiphanius of Salamis, Etoro people, Euphemism, Euphrates, External fertilization, Felching, Fellatio, Female, Female hysteria, Fertilisation, Fibrinolysin, Fish, Flavin group, Fluid, Food and Drug Administration, Fructose, Galactose, Genitourinary system, Glucose, Gnosticism, Gokkun, Gonad, Google Books, HarperCollins, Hematospermia, Herbal viagra, Herbert Nowell, Hermaphrodite, Herpes simplex, HIV, Human papillomavirus infection, Infection, Inflammation, Inorganic compound, Insemination, Internal fertilization, Invisible ink, Jade, Ki (goddess), Lactic acid, Lactobacillus, Liquefaction, Litre, Logos, Lysosome, Magnesium, Male, Mansfield Smith-Cumming, Marsupial, Masculinity, Masturbation, Matter, Miasma (Greek mythology), Microvillus, Milt, Monotreme, Mucus, Onan, Orchidaceae, Orchitis, Organic compound, Orgasm, Osmotic concentration, Panarion, Papua New Guinea, Pathogen, PH, Philo, Phosphorylcholine, Pinyin, Pistis Sophia, Placentalia, Poise (unit), Potassium, Pre-ejaculate, Pre-industrial society, Prostaglandin, Prostate, Prostate-specific antigen, Protease, Protein, Psalms, Putrescine, Pythagoreanism, Qigong, Reptile, Ritual purification, Rounding, Sambia people, San Francisco, Satyr, Secret Intelligence Service, Semen analysis, Semen cryopreservation, Semen extender, Seminal vesicle, Sertoli cell, Sexual intercourse, Sexual slang, Sexually transmitted infection, Sialic acid, Significant figures, Simonians, Snowballing (sexual practice), Sodium, Song of Songs, Spawn (biology), Species, Sperm, Sperm donation, Spermatocyte, Spermatogenesis, Spermatozoon, Spermidine, Spermine, St. Priapus Church, Stoicism, Stream bed, Stylus, Sumer, Sumerian religion, Taraxacum, Testicle, Testimony of Truth, Tigris, Traditional Chinese medicine, Urea, Urethra, Vagina, Vaginal lubrication, Vasectomy, Vertebrate, Viscosity, Vitalism, Vitamin C, Volume, World Health Organization, Zinc. Expand index (139 more) » « Shrink index
An acid is a molecule or ion capable of donating a hydron (proton or hydrogen ion H+), or, alternatively, capable of forming a covalent bond with an electron pair (a Lewis acid).
Acid phosphatase (acid phosphomonoesterase, phosphomonoesterase, glycerophosphatase, acid monophosphatase, acid phosphohydrolase, acid phosphomonoester hydrolase, uteroferrin, acid nucleoside diphosphate phosphatase, orthophosphoric-monoester phosphohydrolase (acid optimum)) is a phosphatase, a type of enzyme, used to free attached phosphoryl groups from other molecules during digestion.
An allergic response is a hypersensitive immune reaction to a substance that normally is harmless or would not cause an immune response in everyone.
In organic chemistry, amines are compounds and functional groups that contain a basic nitrogen atom with a lone pair.
Amino acids are organic compounds containing amine (-NH2) and carboxyl (-COOH) functional groups, along with a side chain (R group) specific to each amino acid.
Amphibians are ectothermic, tetrapod vertebrates of the class Amphibia.
Ancient Greece was a civilization belonging to a period of Greek history from the Greek Dark Ages of the 13th–9th centuries BC to the end of antiquity (AD 600).
Ancient Greek religion encompasses the collection of beliefs, rituals, and mythology originating in ancient Greece in the form of both popular public religion and cult practices.
Animals are multicellular eukaryotic organisms that form the biological kingdom Animalia.
An antibiotic (from ancient Greek αντιβιοτικά, antibiotiká), also called an antibacterial, is a type of antimicrobial drug used in the treatment and prevention of bacterial infections.
Anu (𒀭𒀭, Anu‹m› or Ilu) or An (𒀭, from 𒀭 an "Sky, Heaven") is the divine personification of the sky, supreme God, and ancestor of all the deities in ancient Mesopotamian religion.
An aphrodisiac or love drug is a substance that increases libido when consumed.
Aristotle (Ἀριστοτέλης Aristotélēs,; 384–322 BC) was an ancient Greek philosopher and scientist born in the city of Stagira, Chalkidiki, in the north of Classical Greece.
The Bible (from Koine Greek τὰ βιβλία, tà biblía, "the books") is a collection of sacred texts or scriptures that Jews and Christians consider to be a product of divine inspiration and a record of the relationship between God and humans.
Birds, also known as Aves, are a group of endothermic vertebrates, 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.
Blood is a body fluid in humans and other animals that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away from those same cells.
In Christian theology, the term Body of Christ has two main but separate meanings: it may refer to Jesus' words over the bread at the Last Supper that "This is my body" in, or to the usage of the term by the Apostle Paul in and to refer to the Christian Church.
According to the Panarion of Epiphanius of Salamis (ch. 26), and Theodoret's Haereticarum Fabularum Compendium, the Borborites or Borborians (Βορβοριανοί; also Koddians; in Egypt, Phibionites; in other countries, Barbalites, Secundians, Socratites, etc.) were a libertine Christian Gnostic sect, said to be descended from the Nicolaitans.
British English is the standard dialect of English language as spoken and written in the United Kingdom.
A buffer solution (more precisely, pH buffer or hydrogen ion buffer) is an aqueous solution consisting of a mixture of a weak acid and its conjugate base, or vice versa.
is a sex act portrayed in pornographic films, in which several men ejaculate on a woman, or on another man.
A bulbourethral gland, also called a Cowper's gland for English anatomist William Cowper, is one of two small exocrine glands in the reproductive system of many male mammals (of all domesticated animals, they are only absent in the dog).
Cadaverine is a foul-smelling diamine compound produced by the putrefaction of animal tissue.
Calcium is a chemical element with symbol Ca and atomic number 20.
Capacitation is the penultimate step in the maturation of mammalian spermatozoa and is required to render them competent to fertilize an oocyte.
Carbon dioxide (chemical formula) is a colorless gas with a density about 60% higher than that of dry air.
Cengage is an educational content, technology, and services company for the higher education, K-12, professional, and library markets worldwide.
The chloride ion is the anion (negatively charged ion) Cl−.
Chromatin is a complex of macromolecules found in cells, consisting of DNA, protein, and RNA.
The Church Fathers, Early Church Fathers, Christian Fathers, or Fathers of the Church are ancient and influential Christian theologians and writers.
Citric acid is a weak organic acid that has the chemical formula.
Titus Flavius Clemens, also known as Clement of Alexandria (Κλήμης ὁ Ἀλεξανδρεύς; c. 150 – c. 215), was a Christian theologian who taught at the Catechetical School of Alexandria.
In animal anatomy, a cloaca (plural cloacae or) is the posterior orifice that serves as the only opening for the digestive, reproductive, and urinary tracts (if present) of many vertebrate animals, opening at the vent.
Coagulation (also known as clotting) is the process by which blood changes from a liquid to a gel, forming a blood clot.
A condom is a sheath-shaped barrier device, used during sexual intercourse to reduce the probability of pregnancy or a sexually transmitted infection (STI).
Creampie (also known as internal ejaculation and, in same-sex contexts, as breeding and seeding) is a sexual act, commonly featured in pornography, in which a male ejaculates inside his partner's vagina or anus without use of a condom, resulting in visible seeping or dripping of semen from the vagina or anus.
Cryoconservation of animal genetic resources is a strategy wherein samples of animal genetic materials are preserved cryogenically.
CUB domain is an evolutionarily conserved protein domain.
A cum shot is the depiction of human ejaculation, especially onto another person.
Dew is water in the form of droplets that appears on thin, exposed objects in the morning or evening due to condensation.
A dietary supplement is a manufactured product intended to supplement the diet when taken by mouth as a pill, capsule, tablet, or liquid.
Deoxyribonucleic acid (DNA) is a thread-like chain of nucleotides carrying the genetic instructions used in the growth, development, functioning and reproduction of all known living organisms and many viruses.
The doctrine of signatures, dating from the time of Dioscorides and Galen, states that herbs resembling various parts of the body can be used by herbalists to treat ailments of those body parts.
A dysphemism is an expression with connotations that are offensive either about the subject matter or to the audience, or both.
Ebola virus disease (EVD), also known as Ebola hemorrhagic fever (EHF) or simply Ebola, is a viral hemorrhagic fever of humans and other primates caused by ebolaviruses.
The egg cell, or ovum (plural ova), is the female reproductive cell (gamete) in oogamous organisms.
Ejaculation is the discharge of semen (normally containing sperm) from the male reproductory tract, usually accompanied by orgasm.
The ejaculatory ducts (ductus ejaculatorii) are paired structures in male anatomy.
Enki (Sumerian: dEN.KI(G)) is the Sumerian god of water, knowledge (gestú), mischief, crafts (gašam), and creation (nudimmud).
Enzymes are macromolecular biological catalysts.
The epididymis (plural: epididymides or) is a tube that connects a testicle to a vas deferens in the male reproductive system.
Epiphanius of Salamis (Ἐπιφάνιος; c. 310–320 – 403) was bishop of Salamis, Cyprus, at the end of the 4th century.
The Etoro, or Edolo, are a tribe and ethnic group of Papua New Guinea.
A euphemism is a generally innocuous word or expression used in place of one that may be found offensive or suggest something unpleasant.
The Euphrates (Sumerian: Buranuna; 𒌓𒄒𒉣 Purattu; الفرات al-Furāt; ̇ܦܪܬ Pǝrāt; Եփրատ: Yeprat; פרת Perat; Fırat; Firat) is the longest and one of the most historically important rivers of Western Asia.
External fertilization is a male organism’s sperm fertilizing a female organism’s egg outside of the female’s body.
Felching is a sexual practice involving the act of orally sucking semen out of the anus of one's partner.
Fellatio (also known as fellation, and in slang as blowjob, BJ, giving head, or sucking off) is an oral sex act involving the use of the mouth or throat, which is usually performed by a person on the penis of another person.
Female (♀) is the sex of an organism, or a part of an organism, that produces non-mobile ova (egg cells).
Female hysteria was once a common medical diagnosis for women.
Fertilisation or fertilization (see spelling differences), also known as generative fertilisation, conception, fecundation, syngamy and impregnation, is the fusion of gametes to initiate the development of a new individual organism.
Fibrinolysin is an enzyme derived from plasma of bovine origin or extracted from cultures of certain bacteria.
Fish are gill-bearing aquatic craniate animals that lack limbs with digits.
Flavin (from Latin flavus, "yellow") is the common name for a group of organic compounds based on pteridine, formed by the tricyclic heterocycle isoalloxazine.
In physics, a fluid is a substance that continually deforms (flows) under an applied shear stress.
The Food and Drug Administration (FDA or USFDA) is a federal agency of the United States Department of Health and Human Services, one of the United States federal executive departments.
Fructose, or fruit sugar, is a simple ketonic monosaccharide found in many plants, where it is often bonded to glucose to form the disaccharide sucrose.
Galactose (galacto- + -ose, "milk sugar"), sometimes abbreviated Gal, is a monosaccharide sugar that is about as sweet as glucose, and about 30% as sweet as sucrose.
The genitourinary system or urogenital system is the organ system of the reproductive organs and the urinary system.
Glucose is a simple sugar with the molecular formula C6H12O6.
Gnosticism (from γνωστικός gnostikos, "having knowledge", from γνῶσις, knowledge) is a modern name for a variety of ancient religious ideas and systems, originating in Jewish-Christian milieus in the first and second century AD.
is a Japanese term for sexual activity in which a person consumes the semen of one or more men, usually from some kind of container.
A gonad or sex gland or reproductive gland is a mixed gland that produces the gametes (sex cells) and sex hormones of an organism.
Google Books (previously known as Google Book Search and Google Print and by its codename Project Ocean) is a service from Google Inc. that searches the full text of books and magazines that Google has scanned, converted to text using optical character recognition (OCR), and stored in its digital database.
HarperCollins Publishers L.L.C. is one of the world's largest publishing companies and is one of the Big Five English-language publishing companies, alongside Hachette, Macmillan, Penguin Random House, and Simon & Schuster.
Hematospermia, the presence of blood in semen, is most often a benign symptom.
Herbal viagra is a name that can be given to any herbal product advertised as treating erectile dysfunction.
Herbert Nowell, M.D. (died 27-Dec-1953, Vancouver, British Columbia) was a Canadian physician and professor.
In biology, a hermaphrodite is an organism that has complete or partial reproductive organs and produces gametes normally associated with both male and female sexes.
Herpes simplex is a viral disease caused by the herpes simplex virus.
The human immunodeficiency virus (HIV) is a lentivirus (a subgroup of retrovirus) that causes HIV infection and over time acquired immunodeficiency syndrome (AIDS).
Human papillomavirus infection is an infection by human papillomavirus (HPV).
Infection is the invasion of an organism's body tissues by disease-causing agents, their multiplication, and the reaction of host tissues to the infectious agents and the toxins they produce.
Inflammation (from inflammatio) is part of the complex biological response of body tissues to harmful stimuli, such as pathogens, damaged cells, or irritants, and is a protective response involving immune cells, blood vessels, and molecular mediators.
An inorganic compound is typically a chemical compound that lacks C-H bonds, that is, a compound that is not an organic compound, but the distinction is not defined or even of particular interest.
Insemination is the deliberate introduction of sperm into a female animal or plant for the purpose of impregnating or fertilizing the female for sexual reproduction.
Internal fertilization is the union of an egg cell with a sperm during sexual reproduction inside the body of a parent.
Invisible ink, also known as security ink, is a substance used for writing, which is invisible either on application or soon thereafter, and can later be made visible by some means.
Jade is an ornamental mineral, mostly known for its green varieties, which is featured prominently in ancient Asian art.
Ki was the earth goddess in Sumerian mythology, chief consort of the sky god An.
Lactic acid is an organic compound with the formula CH3CH(OH)COOH.
Lactobacillus is a genus of Gram-positive, facultative anaerobic or microaerophilic, rod-shaped, non-spore-forming bacteria.
In materials science, liquefaction is a process that generates a liquid from a solid or a gas or that generates a non-liquid phase which behaves in accordance with fluid dynamics.
The litre (SI spelling) or liter (American spelling) (symbols L or l, sometimes abbreviated ltr) is an SI accepted metric system unit of volume equal to 1 cubic decimetre (dm3), 1,000 cubic centimetres (cm3) or 1/1,000 cubic metre. A cubic decimetre (or litre) occupies a volume of 10 cm×10 cm×10 cm (see figure) and is thus equal to one-thousandth of a cubic metre. The original French metric system used the litre as a base unit. The word litre is derived from an older French unit, the litron, whose name came from Greek — where it was a unit of weight, not volume — via Latin, and which equalled approximately 0.831 litres. The litre was also used in several subsequent versions of the metric system and is accepted for use with the SI,, p. 124. ("Days" and "hours" are examples of other non-SI units that SI accepts.) although not an SI unit — the SI unit of volume is the cubic metre (m3). The spelling used by the International Bureau of Weights and Measures is "litre", a spelling which is shared by almost all English-speaking countries. The spelling "liter" is predominantly used in American English. One litre of liquid water has a mass of almost exactly one kilogram, because the kilogram was originally defined in 1795 as the mass of one cubic decimetre of water at the temperature of melting ice. Subsequent redefinitions of the metre and kilogram mean that this relationship is no longer exact.
Logos (lógos; from λέγω) is a term in Western philosophy, psychology, rhetoric, and religion derived from a Greek word variously meaning "ground", "plea", "opinion", "expectation", "word", "speech", "account", "reason", "proportion", and "discourse",Henry George Liddell and Robert Scott,: logos, 1889.
A lysosome is a membrane-bound organelle found in nearly all animal cells.
Magnesium is a chemical element with symbol Mg and atomic number 12.
A male (♂) organism is the physiological sex that produces sperm.
Captain Sir Mansfield George Smith Cumming, (1 April 1859 – 14 June 1923) was the first director of what would become the Secret Intelligence Service (SIS), also known as MI6.
Marsupials are any members of the mammalian infraclass Marsupialia.
Masculinity (manhood or manliness) is a set of attributes, behaviors, and roles associated with boys and men.
Masturbation is the sexual stimulation of one's own genitals for sexual arousal or other sexual pleasure, usually to the point of orgasm.
In the classical physics observed in everyday life, matter is any substance that has mass and takes up space by having volume.
In Greek mythology, a miasma is "a contagious power...
Microvilli (singular: microvillus) are microscopic cellular membrane protrusions that increase the surface area for diffusion and minimize any increase in volume, and are involved in a wide variety of functions, including absorption, secretion, cellular adhesion, and mechanotransduction.
Milt is the seminal fluid of fish, mollusks, and certain other water-dwelling animals who reproduce by spraying this fluid which contains the sperm, onto roe (fish eggs).
Monotremes are one of the three main groups of living mammals, along with placentals (Eutheria) and marsupials (Metatheria).
Mucus is a slippery aqueous secretion produced by, and covering, mucous membranes.
Onan is a minor biblical person in the Book of Genesis chapter 38, who was the second son of Judah.
The Orchidaceae are a diverse and widespread family of flowering plants, with blooms that are often colourful and fragrant, commonly known as the orchid family.
Orchitis or orchiditis (from the Ancient Greek ὄρχις meaning "testicle"; same root as orchid) is inflammation of the testes.
In chemistry, an organic compound is generally any chemical compound that contains carbon.
Orgasm (from Greek ὀργασμός orgasmos "excitement, swelling"; also sexual climax) is the sudden discharge of accumulated sexual excitement during the sexual response cycle, resulting in rhythmic muscular contractions in the pelvic region characterized by sexual pleasure.
Osmotic concentration, formerly known as osmolarity, is the measure of solute concentration, defined as the number of osmoles (Osm) of solute per litre (L) of solution (osmol/L or Osm/L).
In early Christian heresiology, the Panarion (Greek: Πανάριον, derived from Latin, panarium, meaning "bread basket"), to which 16th-century Latin translations gave the name Adversus Haereses (Latin: "Against Heresies"), is the most important of the works of Epiphanius of Salamis (d. 403).
Papua New Guinea (PNG;,; Papua Niugini; Hiri Motu: Papua Niu Gini), officially the Independent State of Papua New Guinea, is an Oceanian country that occupies the eastern half of the island of New Guinea and its offshore islands in Melanesia, a region of the southwestern Pacific Ocean north of Australia.
In biology, a pathogen (πάθος pathos "suffering, passion" and -γενής -genēs "producer of") or a '''germ''' in the oldest and broadest sense is anything that can produce disease; the term came into use in the 1880s.
In chemistry, pH is a logarithmic scale used to specify the acidity or basicity of an aqueous solution.
Philo of Alexandria (Phílōn; Yedidia (Jedediah) HaCohen), also called Philo Judaeus, was a Hellenistic Jewish philosopher who lived in Alexandria, in the Roman province of Egypt.
Phosphorylcholine (abbreviated ChoP) is the hydrophilic polar head group of some phospholipids, which is composed of a negatively charged phosphate bonded to a small, positively charged choline group.
Hanyu Pinyin Romanization, often abbreviated to pinyin, is the official romanization system for Standard Chinese in mainland China and to some extent in Taiwan.
Pistis Sophia ('Πίστις Σοφία') is a Gnostic text discovered in 1773, possibly written between the 3rd and 4th centuries AD.
Placentalia ("Placentals") is one of the three extant subdivisions of the class of animals Mammalia; the other two are Monotremata and Marsupialia.
The poise (symbol P) is the unit of dynamic viscosity (absolute viscosity) in the centimetre–gram–second system of units.
Potassium is a chemical element with symbol K (from Neo-Latin kalium) and atomic number 19.
Pre-ejaculate (also known as pre-ejaculatory fluid, pre-seminal fluid or Cowper's fluid, and colloquially as pre-cum) is a clear, colorless, viscous fluid that is emitted from the urethra of the penis during sexual arousal.
Pre-industrial society refers to social attributes and forms of political and cultural organization that were prevalent before the advent of the Industrial Revolution, which occurred from 1750 to 1850.
The prostaglandins (PG) are a group of physiologically active lipid compounds having diverse hormone-like effects in animals.
The prostate (from Ancient Greek προστάτης, prostates, literally "one who stands before", "protector", "guardian") is a compound tubuloalveolar exocrine gland of the male reproductive system in most mammals.
Prostate-specific antigen (PSA), also known as gamma-seminoprotein or kallikrein-3 (KLK3), is a glycoprotein enzyme encoded in humans by the KLK3 gene. PSA is a member of the kallikrein-related peptidase family and is secreted by the epithelial cells of the prostate gland. PSA is produced for the ejaculate, where it liquefies semen in the seminal coagulum and allows sperm to swim freely. It is also believed to be instrumental in dissolving cervical mucus, allowing the entry of sperm into the uterus. PSA is present in small quantities in the serum of men with healthy prostates, but is often elevated in the presence of prostate cancer or other prostate disorders. PSA is not a unique indicator of prostate cancer, but may also detect prostatitis or benign prostatic hyperplasia.
A protease (also called a peptidase or proteinase) is an enzyme that performs proteolysis: protein catabolism by hydrolysis of peptide bonds.
Proteins are large biomolecules, or macromolecules, consisting of one or more long chains of amino acid residues.
The Book of Psalms (תְּהִלִּים or, Tehillim, "praises"), commonly referred to simply as Psalms or "the Psalms", is the first book of the Ketuvim ("Writings"), the third section of the Hebrew Bible, and a book of the Christian Old Testament.
Putrescine, or tetramethylenediamine, is a foul-smelling organic chemical compound NH2(CH2)4NH2 (1,4-diaminobutane or butanediamine) that is related to cadaverine; both are produced by the breakdown of amino acids in living and dead organisms and both are toxic in large doses.
Pythagoreanism originated in the 6th century BC, based on the teachings and beliefs held by Pythagoras and his followers, the Pythagoreans, who were considerably influenced by mathematics and mysticism.
Qigong, qi gong, chi kung, or chi gung is a holistic system of coordinated body posture and movement, breathing, and meditation used in the belief that it promotes health, spirituality, and martial arts training.
Reptiles are tetrapod animals in the class Reptilia, comprising today's turtles, crocodilians, snakes, amphisbaenians, lizards, tuatara, and their extinct relatives.
Ritual purification is the purification ritual prescribed by a religion by which a person about to perform some ritual is considered to be free of uncleanliness, especially prior to the worship of a deity, and ritual purity is a state of ritual cleanliness.
Rounding a numerical value means replacing it by another value that is approximately equal but has a shorter, simpler, or more explicit representation; for example, replacing $ with $, or the fraction 312/937 with 1/3, or the expression with.
The Sambia people are a tribe of mountain-dwelling, hunting and horticultural people who inhabit the fringes of the Eastern Highlands Province of Papua New Guinea, and are extensively described by the American anthropologist Gilbert Herdt.
San Francisco (initials SF;, Spanish for 'Saint Francis'), officially the City and County of San Francisco, is the cultural, commercial, and financial center of Northern California.
In Greek mythology, a satyr (σάτυρος satyros) is the member of a troop of ithyphallic male companions of Dionysus; they usually have horse-like ears and tails, as well as permanent, exaggerated erections.
The Secret Intelligence Service (SIS), commonly known as MI6, is the foreign intelligence service of the government of the United Kingdom, tasked mainly with the covert overseas collection and analysis of human intelligence (HUMINT) in support of the UK's national security.
A semen analysis (plural: semen analyses), also called "seminogram" evaluates certain characteristics of a male's semen and the sperm contained therein.
Semen cryopreservation (commonly called sperm banking) is a procedure to preserve sperm cells.
Semen extender is a liquid diluent which is added to semen to preserve its fertilizing ability.
The seminal vesicles (glandulae vesiculosae), vesicular glands, or seminal glands, are a pair of simple tubular glands posteroinferior to the urinary bladder of some male mammals.
A Sertoli cell (a kind of sustentacular cell) is a "nurse" cell of the testicles that is part of a seminiferous tubule and helps in the process of spermatogenesis, the production of sperm.
Sexual intercourse (or coitus or copulation) is principally the insertion and thrusting of the penis, usually when erect, into the vagina for sexual pleasure, reproduction, or both.
Sexual slang is a set of linguistic terms and phrases used to refer to sexual organs, processes, and activities; they are generally considered colloquial rather than formal or medical, and some may be seen as impolite or improper.
Sexually transmitted infections (STI), also referred to as sexually transmitted diseases (STD) or venereal diseases (VD), are infections that are commonly spread by sexual activity, especially vaginal intercourse, anal sex and oral sex.
Sialic acid is a generic term for the N- or O-substituted derivatives of neuraminic acid, a monosaccharide with a nine-carbon backbone.
The significant figures (also known as the significant digits) of a number are digits that carry meaning contributing to its measurement resolution.
The Simonians were a Gnostic sect of the 2nd century which regarded Simon Magus as its founder and traced its doctrines, known as Simonianism, back to him.
Snowballing or snowdropping is the human sexual practice in which one person takes someone else's semen into his or her mouth and then passes it to the mouth of the other, usually through kissing.
Sodium is a chemical element with symbol Na (from Latin natrium) and atomic number 11.
The Song of Songs, also Song of Solomon or Canticles (Hebrew:, Šîr HašŠîrîm, Greek: ᾎσμα ᾎσμάτων, asma asmaton, both meaning Song of Songs), is one of the megillot (scrolls) found in the last section of the Tanakh, known as the Ketuvim (or "Writings"), and a book of the Old Testament.
Spawn is the eggs and sperm released or deposited into water by aquatic animals.
In biology, a species is the basic unit of classification and a taxonomic rank, as well as a unit of biodiversity, but it has proven difficult to find a satisfactory definition.
Sperm is the male reproductive cell and is derived from the Greek word (σπέρμα) sperma (meaning "seed").
Sperm donation is the provision (or "donation") by a man (known as a sperm donor) of his sperm (known as donor sperm), principally for it to be used in the artificial insemination of a woman or women who are not his sexual partners.
Spermatocytes are a type of male gametocyte in animals.
Spermatogenesis is the process by which haploid spermatozoa develop from germ cells in the seminiferous tubules of the testis.
A spermatozoon (pronounced, alternate spelling spermatozoön; plural spermatozoa; from σπέρμα "seed" and ζῷον "living being") is a motile sperm cell, or moving form of the haploid cell that is the male gamete.
Spermidine is a polyamine compound found in ribosomes and living tissues, and having various metabolic functions within organisms.
Spermine is a polyamine involved in cellular metabolism found in all eukaryotic cells.
St. Priapus Church (Église S. Priape), also known as Temple of Priapus, is a North American pagan religion founded in the 1980s that centres on the worship of the phallus.
Stoicism is a school of Hellenistic philosophy founded by Zeno of Citium in Athens in the early 3rd century BC.
A stream bed is the channel bottom of a stream or river, the physical confine of the normal water flow.
A stylus, plural styli or styluses, is a writing utensil or a small tool for some other form of marking or shaping, for example, in pottery.
SumerThe name is from Akkadian Šumeru; Sumerian en-ĝir15, approximately "land of the civilized kings" or "native land".
Sumerian religion was the religion practiced and adhered to by the people of Sumer, the first literate civilization of ancient Mesopotamia.
Taraxacum is a large genus of flowering plants in the family Asteraceae, which consists of species commonly known as dandelions.
The testicle or testis is the male reproductive gland in all animals, including humans.
The Testimony of Truth is the third manuscript from Codex IX of the Nag Hammadi Library.
Batman River The Tigris (Sumerian: Idigna or Idigina; Akkadian: 𒁇𒄘𒃼; دجلة Dijlah; ܕܹܩܠܵܬ.; Տիգրիս Tigris; Դգլաթ Dglatʿ;, biblical Hiddekel) is the eastern member of the two great rivers that define Mesopotamia, the other being the Euphrates.
Traditional Chinese medicine (TCM) is a style of traditional medicine built on a foundation of more than 2,500 years of Chinese medical practice that includes various forms of herbal medicine, acupuncture, massage (tui na), exercise (qigong), and dietary therapy, but recently also influenced by modern Western medicine.
Urea, also known as carbamide, is an organic compound with chemical formula CO(NH2)2.
In anatomy, the urethra (from Greek οὐρήθρα – ourḗthrā) is a tube that connects the urinary bladder to the urinary meatus for the removal of urine from the body.
In mammals, the vagina is the elastic, muscular part of the female genital tract.
Vaginal lubrication is a naturally produced fluid that lubricates a woman's vagina.
Vasectomy is a surgical procedure for male sterilization or permanent contraception.
Vertebrates comprise all species of animals within the subphylum Vertebrata (chordates with backbones).
The viscosity of a fluid is the measure of its resistance to gradual deformation by shear stress or tensile stress.
Vitalism is the belief that "living organisms are fundamentally different from non-living entities because they contain some non-physical element or are governed by different principles than are inanimate things".
Vitamin C, also known as ascorbic acid and L-ascorbic acid, is a vitamin found in food and used as a dietary supplement.
Volume is the quantity of three-dimensional space enclosed by a closed surface, for example, the space that a substance (solid, liquid, gas, or plasma) or shape occupies or contains.
The World Health Organization (WHO; French: Organisation mondiale de la santé) is a specialized agency of the United Nations that is concerned with international public health.
Zinc is a chemical element with symbol Zn and atomic number 30.
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