heart valve

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Noun1.heart valve - a valve to control one-way flow of bloodheart valve - a valve to control one-way flow of blood
ticker, heart, pump - the hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions move the blood through the body; "he stood still, his heart thumping wildly"
leaflet, cusp - a thin triangular flap of a heart valve
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
valve - a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it
2.heart valve - an implant that replaces a natural cardiac valve
implant - a prosthesis placed permanently in tissue