Definitions for aortic valve
Random House Webster's College Dictionary
the semilunar valve between the left ventricle and the aorta, controlling the flow of blood.
a semilunar valve between the left ventricle and the aorta; prevents blood from flowing from the aorta back into the heart
U.S. National Library of Medicine
The valve between the left ventricle and the ascending aorta which prevents backflow into the left ventricle.
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