Uberon definition : 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;
Uberon related term : thoracic aorta; aortic arch;
Uberon Homology note : The double systemic arch arches (left and right) present in amphibians and reptiles
become reduced to a single systemic arch - the right in birds, the left in mammals.[well
established][VHOG];
Uberon Taxon note : birds have right aortic arch, mammals left.;
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