has part has part has_part characteristic of part of has modifier abnormal aorta morphology abnormal thoracic aorta morphology MA:0002569 2010-09-30T09:03:29Z MPheno.ontology csmith 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 MP:0010468 morphology abnormal thoracic aorta