Blood supply to upper limb
branching:
subclavian artery
divided into sections based on scalenus anterior
pulse palpable 1 finger breadth superior and medial to medial end of clavicle
at lateral margin of Rib 1, becomes axillary artery
divided into sections based on pectoralis minor
at posterior margin of teres major, becomes brachial artery
Lots of tiny branches to surrounding muscles
Big branches:
- profunda brachii
- supplies posterior compartment
- enters posterior compartment with radial nerve via triangular interval
- anastomoses with posterior circumflex humeral artery
- ulnar collaterals
Diagram: author's own
sources/links
Greys