cardiac valve

Definitions of cardiac valve

n a valve to control one-way flow of blood

heart valve
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atrioventricular valve
either of two heart valves through which blood flows from the atria to the ventricles; prevents return of blood to the atrium
semilunar valve
a heart valve with cusps shaped like half-moons; prevents blood from flowing back into the heart
bicuspid valve, left atrioventricular valve, mitral valve
valve with two cusps; situated between the left atrium and the left ventricle
right atrioventricular valve, tricuspid valve
valve with three cusps; situated between the right atrium and the right ventricle; allows blood to pass from atrium to ventricle and closes to prevent backflow when the ventricle contracts
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:
a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it

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