atrioventricular valve

/ˌeɪtrioʊˌvɛnˈtrɪkjələr vælv/

Definitions of atrioventricular valve

1. noun

   either of two heart valves through which blood flows from the atria to the ventricles; prevents return of blood to the atrium
   types:

   bicuspid valve, left atrioventricular valve, mitral valve

   valve with two cusps; situated between the left atrium and the left ventricle

   right atrioventricular valve, tricuspid valve

   valve with three cusps; situated between the right atrium and the right ventricle; allows blood to pass from atrium to ventricle and closes to prevent backflow when the ventricle contracts

   type of:

   cardiac valve, heart valve

   a valve to control one-way flow of blood