aortic valve(redirected from Aortic semilunar valve)
Also found in: Dictionary, Thesaurus, Medical.
aortic valve[ā′ȯrd·ik ′valv]
A heart valve comprising three flaps which guards the passage from the left ventricle to the aorta and prevents the backward flow of blood.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.