vasoconstrictor

[vas-oh-kuhn-strik-ter, vey-zoh-]
noun Physiology, Pharmacology.
a nerve or drug that causes vasoconstriction.

Origin:
1875–80; vaso- + constrictor

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World English Dictionary
vasoconstrictor (ˌveɪzəʊkənˈstrɪktə)
 
n
1.  a drug, agent, or nerve that causes narrowing (vasoconstriction) of the walls of blood vessels
 
adj
2.  causing vasoconstriction
 
vasocon'strictive
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

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

The American Heritage® Stedman's Medical Dictionary
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Example sentences for Vasoconstrictor
Cutaneous veins also are richly innervated with sympathetic vasoconstrictor fibers.
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