aortic valve

American  

noun

Anatomy.

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

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aortic valve Scientific  

/ ā-ôr′tĭk /

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

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Example Sentences

See Examples For:

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

It is a riskier operation than putting in a surgical aortic valve replacement, though the risk has come down in recent years as surgeons have gained more experience.

From The Wall Street Journal ● Apr. 25, 2026

The aortic valve has the same structure as the pulmonary, though the cusps are more massive.

From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" by Various