(一) 主動(dòng)脈弓和分支升主動(dòng)脈起于左心室,在胸骨柄水平氣管前方形成升主動(dòng)脈弓 (ascending aortic arch,AOA)(見圖1-1,圖1-2),發(fā)出三大分支:無(wú)名動(dòng)脈/頭臂動(dòng)脈 (brachiocephalic artery,BCA)、左側(cè)頸總動(dòng)脈 (left common carotid artery,LCCA) 和左側(cè)鎖骨下動(dòng) (共 930 字) [閱讀本文] >>