Definitions for "Atrioventricular Valve"
either of two heart valves through which blood flows from the atria to the ventricles; prevents return of blood to the atrium
A-tree-o-ven-TRIK-yu-lar VALV (AV valve) Flap of tissue between each atrium and ventricle that moves in response to the pressure changes of ventricular contraction. 720
The valve between each auricle and ventricle of the heart.