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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
A trademark for a drug preparation of vasopressin.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
PitressinA brand name for argipressin, a synthetic form of VASOPRESSIN.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005