半はん月げつ弁べん

noun

semilunar valve

Anatomical term for the crescent-shaped valves in the heart (aortic and pulmonary) or sometimes in veins.

• 大だい動どう脈みゃく弁べんと肺はい動どう脈みゃく弁べんは半はん月げつ弁べんと呼よばれる。

  The aortic valve and the pulmonary valve are called semilunar valves.