Congenital malformations of the semilunar valves.
D000293:Adolescent; D000368:Aged; D001021:Aortic Valve / Q000002:abnormalities*; D002648:Child; D005260:Female; D006330:Heart Defects, Congenital / Q000473:pathology*; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D011664:Pulmonary Valve / Q000002:abnormalities*