abnormal coronary sinus morphology 2010-09-28T02:33:34Z Fyler:2840 MP:0010436 MPheno.ontology abnormal coronarius morphology any structural anomaly of the short trunk that recieves most of the cardiac veins carrying the blood from the myocardium and delivers it to the right atrium, with the sinoatrial connection occurring between the inferior vena cava and the atrioventricular orifice csmith abnormal coronary vessel morphology