Muscle ridge between atrioventricular valves and malalignment of junction of these valves with ventricular septum.
D006345:Heart Septal Defects, Ventricular / Q000473:pathology*; D006801:Humans; D014188:Transposition of Great Vessels / Q000473:pathology*; D014261:Tricuspid Valve / Q000002:abnormalities*