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

Transcatheter aortic valve replacement sales, which make up the bulk of the company’s top line, rose 11%, to $1.26 billion.

From The Wall Street Journal ● Jul. 23, 2026

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

The closure of the aortic valve is less typically sharp, showing that the blood vessels are not so thoroughly filled.

From Disturbances of the Heart by Osborne, Oliver T. (Oliver Thomas)