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vasopressinenUK
va·so·pres·sin V0036000 (vā′zō-prĕs′ĭn)n. A hormone secreted by the posterior lobe of the pituitary gland that constricts blood vessels, raises blood pressure, and reduces excretion of urine. A synthetic form of the hormone is used as an antidiuretic drug, especially in the treatment of diabetes insipidus. Also called antidiuretic hormone.vasopressin (ˌveɪzəʊˈprɛsɪn) n (Biochemistry) a polypeptide hormone secreted by the posterior lobe of the pituitary gland. It increases the reabsorption of water by the kidney tubules and increases blood pressure by constricting the arteries. Also called: antidiuretic hormone Chemical name: beta-hypophamine Compare oxytocin[from Vasopressin, a trademark]vas•o•pres•sin (ˌvæs oʊˈprɛs ɪn)
n. a hormone released by the posterior pituitary gland that constricts small blood vessels and increases the absorption of water by the kidney. Also called antidiuretic hormone, ADH. [1928; orig. trademark] Thesaurus| Noun | 1. |  vasopressin - hormone secreted by the posterior pituitary gland (trade name Pitressin) and also by nerve endings in the hypothalamus; affects blood pressure by stimulating capillary muscles and reduces urine flow by affecting reabsorption of water by kidney tubulesADH, antidiuretic hormone, Pitressinpressor, vasoconstrictive, vasoconstrictor - any agent that causes a narrowing of an opening of a blood vessel: cold or stress or nicotine or epinephrine or norepinephrine or angiotensin or vasopressin or certain drugs; maintains or increases blood pressureendocrine, hormone, internal secretion - the secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has a specific effect |
TranslationsvasopressinenUK
vasopressin (văz'ōprĕs`ĭn): see antidiuretic hormoneantidiuretic hormone
, polypeptide hormone secreted by the posterior pituitary gland. Its principal action is to regulate the amount of water excreted by the kidneys. Antidiuretic hormone (ADH), known also as vasopressin, causes the kidneys to resorb water directly from the
..... Click the link for more information. .Vasopressin a hormone secreted by the posterior lobe of the hypophysis; causes constriction of vessels (acting on the smooth muscles of their walls) and increased blood pressure (pressor effect); also maintains at a proper level the reverse absorption of water in the straight tubules of the kidneys, that is, decreases the quantity of urine discharged (antidiuretic effect). Vasopressin is formed in the neurosecretory cells of the anterior nuclei of the hypothalmus, from which it enters the hypophysis along the nerve fibers. The antidiuretic action of the hormone is one of the factors that maintain the relative constancy of the water-salt metabolism in the bodies of vertebrate animals and man. A deficiency of vasopressin may lead to diabetes insipidus, in which discharge of urine is sharply increased. Vasopressin is contained in preparations obtained from the posterior hypophysis—Pituitrin and adiurekrin. Chemically, vasopressin is an octapeptide constructed of eight amino acids (in the majority of animals and in humans vasopressin consists of cysteine, tyrosine, phenylalanine, glutamine, asparagin, proline, arginine, and glycine; in pigs lysine is found instead of arginine). In structure and effect vasopressin is similar to another hormone of the hypophysis—oxytocin. G. N. KASSIL’ vasopressin[‚vā·zō′pres·ən] (biochemistry) A peptide hormone which is elaborated by the posterior pituitary and which has a pressor effect; used medicinally as an antidiuretic. Also known as antidiuretic hormone (ADH). vasopressinenUK
vasopressin [vas″o-pres´in] a hormone secreted by cells of the hypothalamic nuclei and stored in the posterior pituitary for release as necessary; it stimulates contraction of the muscular tissues of the capillaries and arterioles, raising the blood pressure, and increases peristalsis, exerts some influence on the uterus, and influences resorption of water by the kidney tubules, resulting in concentration of urine. Its rate of secretion is regulated chiefly by the osmolarity of the plasma. Also prepared synthetically or obtained from the posterior pituitary of domestic animals; used as an antidiuretic. Called also antidiuretic hormone. Vasopressin (ADH) regulation. ADH is secreted by the posterior pituitary gland primarily in response to an increase in plasma osmolality. From Malarkey and McMorrow, 2000.arginine vasopressin vasopressin containing arginine" >arginine, as that from humans and most other mammals; for medicinal uses, see vasopressin. Called also argipressin.lysine vasopressin the antidiuretic hormone of the pig family, differing from arginine vasopressin in having lysine" >lysine instead of arginine" >arginine at position 8. A synthetic preparation, lypressin, is used as an antidiuretic and vasoconstrictor.va·so·pres·sin (VP), (vā'sō-pres'in, vas-ō-), A nonapeptide neurohypophysial hormone related to oxytocin and vasotocin; synthetically prepared or obtained from the posterior lobe of the pituitary of healthy domestic animals. In pharmacologic doses vasopressin causes water retention and contraction of smooth muscle, notably that of all blood vessels; large doses may produce cerebral or coronary arterial spasm. Synonym(s): antidiuretic hormone, Pitressin [vaso- + L. premo, pp. pressum, to press down, + -in] vasopressin (vā′zō-prĕs′ĭn)n. A hormone secreted by the posterior lobe of the pituitary gland that constricts blood vessels, raises blood pressure, and reduces excretion of urine. Also called antidiuretic hormone.vasopressin Antidiuretic hormone, see there. va·so·pres·sin (vā'sō-pres'in) A nonapeptide neurohypophysial hormone related to oxytocin and vasotocin; synthetically prepared or obtained from the posterior lobe of the pituitary of healthy domestic animals. In pharmacologic doses, vasopressin causes contraction of smooth muscle, notably that of all blood vessels; large doses may produce cerebral or coronary arterial spasm.
Compare: bioregulator
Synonym(s): antidiuretic hormone. [vaso- + L. premo, pp. pressum, to press down, + -in]vasopressin A hormone secreted in the HYPOTHALAMUS and stored in and released from the PITUITARY GLAND. Vasopressin controls water retention by the kidneys and thus the water content of the body. Deficiency of vasopressin causes DIABETES INSIPIDUS.Antidiuretic hormone (vasopressin)A hormone that acts on the kidneys to regulate water balance.Mentioned in: Pituitary Dwarfismva·so·pres·sin (VP) (vā'sō-pres'in) Nonapeptide neurohypophysial hormone related to oxytocin and vasotocin. [vaso- + L. premo, pp. pressum, to press down, + -in]AcronymsSeeviewpointvasopressinenUK
Related to vasopressin: epinephrine, oxytocinSynonyms for vasopressinnoun hormone secreted by the posterior pituitary gland (trade name Pitressin) and also by nerve endings in the hypothalamusSynonyms- ADH
- antidiuretic hormone
- Pitressin
Related Words- pressor
- vasoconstrictive
- vasoconstrictor
- endocrine
- hormone
- internal secretion
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