brachial artery

Arterial Supply Upper Limb

Subclavian Artery



- on right arises from brachiocephalic trunk behind right sternoclavicular joint

- on left arises from the arch of the aorta



- outer border first rib as axillary artery


First part

- origin of artery to medial aspect scalenus anterior

- on right arches above the clavicle / lies on the pleura / RLN wraps about it