It likewise opens due to a build-up of pressure, this time in the left atrium. The semilunar valves stop the back flow of blood into the heart. There is a semilunar valve where the aorta leaves ...

The bicuspid valve is located between the left atrium and left ventricle and likewise opens due to a build-up of pressure, this time in the left atrium. The semilunar valves stop the back flow of ...

The aortic valve, and its supporting ventricular structures ... I will try to show that the ring like structure thus described has considerable length, encompassing the entirety of the semilunar ...

The purpose of the valve is to prevent blood from returning to the ventricles after the heart contracts (systole). Anatomically, the aortic valve consists of three semilunar leaflets: left coronary, ...