[ vas-oh-pres-in ]
/ ˌvæs oʊˈprɛs ɪn /
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Biochemistry. a peptide hormone, synthesized in the hypothalamus and released by the posterior pituitary gland, that stimulates capillary muscles and reduces the flow of urine and increases its concentration.
Pharmacology. a synthetic preparation of this hormone, used as an antidiuretic in the treatment of diabetes insipidus.
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Origin of vasopressin
First recorded in 1928; originally trademark
Words nearby vasopressin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for vasopressin
/ (ˌveɪzəʊˈprɛsɪn) /
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 arteriesAlso called: antidiuretic hormone Chemical name: beta-hypophamine Compare oxytocin
Word Origin for vasopressin
from Vasopressin, a trademark
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for vasopressin
[ vā′zō-prĕs′ĭn ]
A hormone, related to oxytocin, that is secreted by the posterior lobe of the pituitary gland, constricts blood vessels, raises blood pressure, stimulates intestinal motility, and reduces the excretion of urine.antidiuretic hormone
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for vasopressin
[ vā′zō-prĕs′ĭn ]
See antidiuretic hormone.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.