- Types:
- show 6 types...
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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
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semilunar valve
a heart valve with cusps shaped like half-moons; prevents blood from flowing back into the heart
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bicuspid valve, left atrioventricular valve, mitral valve
valve with two cusps; situated between the left atrium and the left ventricle
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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
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aortic valve
a semilunar valve between the left ventricle and the aorta; prevents blood from flowing from the aorta back into the heart
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pulmonary valve
a semilunar valve between the right ventricle and the pulmonary artery; prevents blood from flowing from the artery back into the heart
