semilunar /semi·lu·nar/ (-loo´nahr) resembling a crescent or half-moon.
sem·i·lu·nar (s m  -l  n r, sm -) or sem·i·lu·nate (-ln t)adj. Shaped like a half-moon; crescent-shaped; lunar. |
semilunar
shaped like a half-moon or crescent.
semilunar valve
valve guarding the entrances into the aorta and pulmonary trunk from the cardiac ventricles.
semilunar valve anomaly
abnormal development causes an irregular central perforation of the valve and the signs of valvular stenosis.
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