The valves amongst the atria and ventricles are called the atrioventricular valves. Amongst the best atrium and the proper ventricle is the tricuspid valve. The tricuspid valve has 3 cusps,[22] which hook up with chordae tendinae and 3 papillary muscles named the anterior, posterior, and septal muscles, following their relative https://nielsg789wvu9.wikicommunication.com/user