abnormal aortic arch morphology Fyler:2700 MA:0000475 MP:0004113 MPheno.ontology Note that this term refers to the adult aortic arch structure. For multiple aortic arches present in the embryo, see the term for embryonic aortic arches [abnormal branchial arch artery morphology; MP:0002672]. abnormal adult aortic arch abnormal arch of aorta abnormal arch of the aorta any structural anomaly of the convex portion of the aorta between the ascending and descending parts of the aorta; branches from it include the brachiocephalic trunk, the left common carotid artery, and the left subclavian artery; the brachiocephalic trunk further splits to form the right subclavian artery and the right common carotid artery aortic arch abnormality abnormal thoracic aorta morphology