heart valve

Thesaurus

Noun	1.	heart valve - a valve to control one-way flow of blood cardiac valve 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