part_of part of part of connected to connected to develops_from develops from develops from has developmental contribution from has developmental contribution from contributes to morphology of ascending aorta arch of aorta EHDAA2:0000132 UBERON:0001508 EMAPA:17613 VHOG:0001196 EFO:0002526 MA:0000475 FMA:3768 thoracic aorta GAID:471 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 SCTID:181300001 Wikipedia:Arch_of_aorta arcus aortae BTO:0000157 thoracic aorta pharyngeal arch artery 4 aortic sac left dorsal aorta section of aorta