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Sinus of Valsalva

[sahy-nuh s uh v val-sal-vuh]
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.
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Origin of Sinus of Valsalva

see origin at Valsalva maneuver
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018