title: Mitral valve duplication associated with membranous septum aneurysm. Embryogenesis of atrioventricular valve duplication.
mesh_terms: D000368:Aged; D006322:Heart Aneurysm / Q000150:complications*; D006344:Heart Septal Defects, Atrial / Q000473:pathology*; D006345:Heart Septal Defects, Ventricular / Q000473:pathology*; D006801:Humans; D008297:Male; D008943:Mitral Valve / Q000002:abnormalities*