abnormal aorta morphology abnormal thoracic aorta morphology 2010-09-30T09:03:29Z MA:0002569 MP:0010468 MPheno.ontology any structural anomaly of the part of the aorta that extends from the origin at the heart to the diaphragm, and from which arises numerous branches that supply oxygenated blood to the chest cage and the organs within the chest csmith