The valves in between the atria and ventricles are known as the atrioventricular valves. Among the right atrium and the appropriate ventricle would be the tricuspid valve. The tricuspid valve has 3 cusps,[22] which hook up with chordae tendinae and three papillary muscles named the anterior, posterior, and septal muscles, https://daveyf689wwu9.wikienlightenment.com/user