It goes into the right atrium, through the tricuspid valve and into the right ventricle. The ventricle pumps the blood through the semilunar valve, into the pulmonary artery and to the lungs.

At two years of follow-up, patients with a poorly functioning tricuspid valve in the heart who received the best available ...

The tricuspid valve is located between the right ... 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 ...