vasospasm

noun
va·​so·​spasm | \ˈvā-zō-ˌspa-zəm \

Definition of vasospasm 

: sharp and often persistent contraction of a blood vessel reducing its lumen and blood flow

Other Words from vasospasm

vasospastic \ˌvā-​zō-​ˈspas-​tik \ adjective

First Known Use of vasospasm

1902, in the meaning defined above

History and Etymology for vasospasm

vaso- + spasm, probably after German Vasospasmus

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The first known use of vasospasm was in 1902

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vasospasm

noun
va·​so·​spasm | \ˈvā-zō-ˌspaz-əm \

Medical Definition of vasospasm 

: sharp and often persistent contraction of a blood vessel reducing its caliber and blood flow

More from Merriam-Webster on vasospasm

Britannica.com: Encyclopedia article about vasospasm

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