origins of these arteries were 1 ) right aortic intercostal artery , 2 ) right subclavian artery , 3 ) left subclavian artery , 4 ) aortic arch proximal to the left recurrent laryngeal nerve and 5 ) descending aorta distal to the above-mentioned nerve .
C0003483
aortic
C0011666
descending aorta