Medical Dictionary

aortic valve

noun

Medical Definition of AORTIC VALVE

:  the semilunar valve separating the aorta from the left ventricle that prevents blood from flowing back into the left ventricle

Browse

July 05, 2015
bunkum Hear it
insincere or foolish talk
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears