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vasoconstrictor

American  
[vas-oh-kuhn-strik-ter, vey-zoh-] / ˌvæs oʊ kənˈstrɪk tər, ˌveɪ zoʊ- /

noun

Physiology, Pharmacology.
  1. a nerve or drug that causes vasoconstriction.


vasoconstrictor British  
/ ˌveɪzəʊkənˈstrɪktə /

noun

  1. a drug, agent, or nerve that causes narrowing ( vasoconstriction ) of the walls of blood vessels

"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

adjective

  1. causing vasoconstriction

"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

Other Word Forms

Etymology

Origin of vasoconstrictor

First recorded in 1875–80; vaso- + constrictor

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Caffeine has vasoconstrictor properties, meaning it causes blood vessels to squeeze together, which can briefly raise heart rate.

From Salon Oct. 4, 2022

Angiotensin II is a systemic vasoconstrictor that helps to regulate blood pressure by increasing it.

From Textbooks Jun. 19, 2013

Additional renin increases production of the powerful vasoconstrictor angiotensin II. Angiotensin II, as discussed above, will also stimulate aldosterone production to augment blood volume through retention of more Na+ and water.

From Textbooks Jun. 19, 2013

It is renin that starts a series of reactions, leading to the production of the vasoconstrictor angiotensin II and the salt-retaining steroid aldosterone.

From Textbooks Jun. 19, 2013

Digitalis is not a general vasoconstrictor as used to be taught.

From Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. by Louis Marshall Warfield

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