aortic-valve

aortic valve

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.
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American Heritage
Medical Dictionary

aortic valve n.
The valve between the left ventricle of the heart and the ascending aorta, consisting of three semilunar cusps.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
aortic valve   (ā-ôr'tĭk)  Pronunciation Key 
A valve located in the aorta that prevents the backflow of blood to the left ventricle.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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