abnormal ascending aorta morphology MA:0002570 csmith 2009-12-15T10:41:11Z abnormal aorta ascendens Fyler:1431 abnormal pars ascendens aortae any structural anomaly of the portion of the aorta that arises from the base of the left ventricle and extends upward to the aortic arch and from which the coronary arteries arise MPheno.ontology MP:0009867 abnormal thoracic aorta morphology