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

Other options include a “J-incision aortic valve replacement” that he developed involving an incision of about 3 inches in the breastbone.

From The Wall Street Journal • Apr. 25, 2026

And just four years earlier, she had had a procedure that she thought would take care of her heart problem—a diseased aortic valve.

From The Wall Street Journal • Apr. 24, 2026

Nearly one-third of patients ages 40 to 65 who need to replace their aortic valve receive a TAVR, according to a recent study.

From The Wall Street Journal • Apr. 24, 2026

Edwards’ focus is cardiac catheters and TAVR, or transcatheter aortic valve replacement.

From Barron's • Jan. 23, 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