Search Result for "aortic valve":
Wordnet 3.0

NOUN (1)

1. a semilunar valve between the left ventricle and the aorta; prevents blood from flowing from the aorta back into the heart; 



WordNet (r) 3.0 (2006):

aortic valve
    n 1: a semilunar valve between the left ventricle and the aorta;
         prevents blood from flowing from the aorta back into the
         heart