Results for: Semilunar

What does the semilunar valve control?

There are two semilunar valves, one is located at the top of the right side of the heart, just before the pulmonary trunk leading to the pulmonary arteries, the other is locat (MORE)

When are the semilunar valves open?

Semilunar valves are open when the blood is being pumped. The AV  valves are closed when the semilunar valves are open.
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When does the semilunar valve open?

The semilunar valves or the Aortic and Pulmonary valves opens when the ventricles of the heart contract. They allow passage while preventing back flow of blood.  The closure (MORE)

What is the purpose of the semilunar valve?

there are two semilunar valves so I will keep my answer specific to all 4 heart valves. They simply keep blood from regurgitating back into the vessels or chambers from where (MORE)