vasopressin

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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, 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 instead of arginine at position 8. A synthetic preparation, lypressin, is used as an antidiuretic and vasoconstrictor.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

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.
[vaso- + L. premo, pp. pressum, to press down, + -in]
Farlex Partner Medical Dictionary © Farlex 2012

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.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

vasopressin

Antidiuretic hormone, see there.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

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]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

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.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

vasopressin

see ADH.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

Antidiuretic hormone (vasopressin)

A hormone that acts on the kidneys to regulate water balance.
Mentioned in: Pituitary Dwarfism
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.

va·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]
Medical Dictionary for the Dental Professions © Farlex 2012
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