abnormal aorta morphology aorta dysplasia MP:0000272 aorta abnormalities MA:0000062 Fyler:1453 abnormal aortae morphology any structural anomaly of the main trunk of the systemic arterial system that originates from the base of the left ventricle of the heart and extends to the abdomen at the point where it branches into the common iliac arteries MPheno.ontology abnormal systemic artery morphology