sinus valsalva

Sinus of Valsalva

[sahy-nuhs uhv val-sal-vuh]
noun Anatomy.
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.

see Valsalva maneuver Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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