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[vas-oh-kuh n-strik-ter, vey-zoh-] /ˌvæs oʊ kənˈstrɪk tər, ˌveɪ zoʊ-/
noun, Physiology, Pharmacology
a nerve or drug that causes vasoconstriction.
Origin of vasoconstrictor
1875-80; vaso- + constrictor Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for vasoconstrictor
Historical Examples
  • This is known as the vasodilator center, and it acts in opposition to the vasoconstrictor.

    Physiology Ernest G. Martin
  • The tone of the vasoconstrictor center controls the distribution of blood throughout the body.

    Arteriosclerosis and Hypertension: Louis Marshall Warfield
  • For some reason or other the vasoconstrictor center becomes inactive, and the series of events just described is set in motion.

    Physiology Ernest G. Martin
  • The nervous center which brings this about is called vasomotor, or, more properly, the vasoconstrictor center.

    Physiology Ernest G. Martin
  • Not all the blood vessels in the body are acted upon through the vasoconstrictor center.

    Physiology Ernest G. Martin
British Dictionary definitions for vasoconstrictor


a drug, agent, or nerve that causes narrowing (vasoconstriction) of the walls of blood vessels
causing vasoconstriction
Derived Forms
vasoconstrictive, adjective
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
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vasoconstrictor in Medicine

vasoconstrictor va·so·con·stric·tor (vā'zō-kən-strĭk'tər)
Something, such as a nerve or drug, that causes vasoconstriction. adj.
Producing vasoconstriction.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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