semilunar valve

Definitions of semilunar valve
1

n a heart valve with cusps shaped like half-moons; prevents blood from flowing back into the heart

Types:
aortic valve
a semilunar valve between the left ventricle and the aorta; prevents blood from flowing from the aorta back into the heart
pulmonary valve
a semilunar valve between the right ventricle and the pulmonary artery; prevents blood from flowing from the artery back into the heart
Type of:
cardiac valve, heart valve
a valve to control one-way flow of blood

Sign up, it's free!

Whether you're a student, an educator, or a lifelong learner, Vocabulary.com can put you on the path to systematic vocabulary improvement.