| Namespace | MPheno.ontology | Obsolete | false |
| description | anomaly in the process of forming the convex portion of the aorta between the ascending and descending parts of the aorta; including formation of 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 |