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vasospasm

[vas-oh-spaz-uh m, vey-zoh-]
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noun
  1. sudden constriction of an artery, leading to a decrease in its diameter and in the amount of blood it can deliver.
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Origin of vasospasm

First recorded in 1900–05; vaso- + spasm
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
vasospasm in Medicine

vasospasm

(vā′zō-spăz′əm)
n.
  1. A sudden constriction of a blood vessel that reduces the blood flow.angiospasm
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Related formsva′so•spas′tic (-spăs′tĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.