What is the name of the valve that separates the left atrium from the left ventricle?

The valve that separates the left atrium from the left ventricle is called the mitral valve. This structure plays a crucial role in the heart's functionality by allowing blood to flow from the left atrium into the left ventricle while preventing backflow when the ventricle contracts.

In anatomical terms, the mitral valve is also known as the bicuspid valve because it consists of two leaflets. This design enables it to efficiently function in directing blood flow within the heart.

Other valves mentioned, such as the aortic and pulmonary valves, are responsible for directing blood flow out of the heart into the aorta and pulmonary arteries, respectively. The tricuspid valve, on the other hand, regulates blood flow between the right atrium and right ventricle. Each of these valves serves a specific purpose in the heart's circulation system, but the mitral valve is distinct in its position between the left atrium and left ventricle.