ATRIOVENTRICULAR VALVE

WordNet Dictionary

	Definition:	[n] either of two heart valves through which blood flows from the atria to the ventricles; prevents return of blood to the atrium

	Websites:

	See Also:	bicuspid valve, cardiac valve, heart valve, left atrioventricular valve, mitral valve, papillary muscle, right atrioventricular valve, tricuspid valve