Meaning of vasoconstriction

vas•o•con•stric•tion

Pronunciation: (vas"ō-kun-strik'shun, vā"zō-), [key]
— n. Physiol.
  1. constriction of the blood vessels, as by the action of a nerve.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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