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aortic valve

American

noun

Anatomy.

a semilunar valve between the aorta and the left ventricle of the heart that prevents the blood from flowing back into the left ventricle.

aortic valve Scientific

/ ā-ôr′tĭk /

A valve located in the aorta that prevents the backflow of blood to the left ventricle.

Example Sentences

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aortic valve

Mice were exposed to either live or heat inactivated P. gingivalis to determine whether the bacteria accumulated in the aortic valve, increased calcium deposits, and produced symptoms consistent with aortic stenosis.

From Science Daily ● Jul. 13, 2026

The aortic valve controls blood leaving the heart, and aortic stenosis develops when this valve becomes thick, stiff, and narrow.

From Science Daily ● Jul. 12, 2026

Big-words alert: Edwards Lifesciences is expanding beyond its monopoly in TAVR, or transcatheter aortic valve replacement, into fast-growing TMTT, or transcatheter mitral and tricuspid therapies.

From Barron's ● Jun. 5, 2026

More than 13% of Americans 75 and older have the condition, in which the aortic valve stiffens and narrows.

From The Wall Street Journal ● Apr. 25, 2026

He maintained that disease of the aortic valve should receive the name Corrigan's disease.

From Makers of Modern Medicine by Walsh, James J. (James Joseph)

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