atrioventricular valve(n = noun.body) - either of two heart valves through which blood flows from the atria to the ventricles; prevents return of blood to the atrium;
is a kind of cardiac valve, heart valve
has parts: papillary muscle
has particulars: bicuspid valve, left atrioventricular valve, mitral valve, right atrioventricular valve, tricuspid valve

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