Arterial Supply Upper Limb
Subclavian Artery
Origin
- on right arises from brachiocephalic trunk behind right sternoclavicular joint
- on left arises from the arch of the aorta
Ends
- 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