left semilunar cusp of aortic valve

(redirected from valvula coronaria sinistra (valvae aortae))

left semilunar cusp of aortic valve

of the three semilunar cusps of the aortic valve, the one that lies to the left in the fetal heart and in the left posterior position in the adult heart; it overlies the origin of the left coronary artery.