Which valve is located between the right atrium and the right ventricle?

The tricuspid valve is the valve located between the right atrium and the right ventricle. It functions to regulate blood flow from the right atrium into the right ventricle, ensuring that blood moves in one direction and preventing backflow during ventricular contraction. The structure of the tricuspid valve, which consists of three leaflets, allows it to open and close effectively, thereby playing a crucial role in the heart's ability to pump deoxygenated blood to the lungs for oxygenation. Understanding the anatomy and function of heart valves is essential for maintaining proper cardiovascular health and recognizing potential pathologies associated with valve dysfunction.

The pulmonary valve is located between the right ventricle and the pulmonary artery, while the mitral valve is between the left atrium and left ventricle. The aortic valve is situated between the left ventricle and the aorta. Each of these valves has distinct functions related to the different chambers and blood flow routes in the heart, but they do not connect the right atrium to the right ventricle like the tricuspid valve does.