part_of part of part of connected to channels_from arch of aorta brachiocephalic artery The short first aortic arch branch and divides into the right subclavian artery and the right common carotid artery. EHDAA2:0000835 EMAPA:17615 MESH:D016122 UBERON:0001529 brachiocephalic trunk SCTID:244244002 MA:0001922 FMA:3932 innominate artery NCIT:C32814 galen:BrachioCephalicArtery GAID:476 innominate Wikipedia:Brachiocephalic_artery EFO:0002550 systemic artery brachiocephalic vasculature