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Sinus of Valsalva

American  
[sahy-nuhs uhv val-sal-vuh] / ˈsaɪ nəs əv vælˈsæl və /

noun

Anatomy.

  1. any of the pouches of the aorta and the pulmonary artery opposite the flaps of the semilunar valves into which blood returning to the heart flows, closing the valves.

Etymology

Origin of Sinus of Valsalva

see origin at Valsalva maneuver

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.