What is the name of the one-way valve located between the left atrium and the aorta?

The one-way valve located between the left atrium and the aorta is known as the aortic valve. It plays a crucial role in the circulatory system by ensuring that blood flows from the left ventricle into the aorta while preventing the backflow of blood into the heart.

When the left ventricle contracts, the aortic valve opens to allow oxygen-rich blood to enter the aorta, which then distributes it throughout the body. Once the ventricle relaxes, the aortic valve closes to maintain the pressure in the aorta and prevent blood from flowing back into the heart. This function is vital for maintaining efficient circulation and proper blood flow direction.

The other options do not fit this specific function. The pulmonic valve is located between the right ventricle and the pulmonary artery, the tricuspid valve is between the right atrium and right ventricle, and the mitral valve is between the left atrium and left ventricle. None of these valves provides the connection between the left atrium and the aorta, which is the primary function of the aortic valve.