posterior semilunar cusp of aortic valve

posterior semilunar cusp of aortic valve

of the three semilunar cusps of the aortic valve, the one that lies posteriorly in the fetal heart and in the right posterior position in the adult heart; it does not overlie the origin of either coronary artery. Synonym(s): valvula noncoronaria (valvae aortae) ☆