sinus of Valsalva

noun

sinus of Val·​sal·​va -väl-ˈsäl-və How to pronounce sinus of Valsalva (audio)
: any one of the pouches of the aorta and pulmonary artery which are located behind the flaps of the semilunar valves and into which the blood in its regurgitation toward the heart enters and thereby closes the valves

called also aortic sinus

Dictionary Entries Near sinus of Valsalva

Cite this Entry

“Sinus of Valsalva.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/sinus%20of%20Valsalva. Accessed 29 Nov. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!