- See:
Arteries of the Upper Limb
- Discussion:
- branch of
axillary artery;
- pierces the clavipectoral fascia and gives rise to 4 branches;
-
clavicular - small branches that run toward sternoclavicular joint,
supplying this and a little bit of the anterior thoracic wall;
-
pectoral - largest branch;
- runs downward w/ lateral pectoral nerve on deep surface of
pectoralis major;
-
deltoid branch
- passes forward between clavicular head of pectoralis major &
anterior edge of deltoid muscle & then downward (paralelling
cephalic vein) in the groove between two muscles;
-
acromial - small branch
- often arising from
deltoid branch, emerges between pectoralis
major & deltoid, and enters network (rete) over the acromion;
- branches from suprascapular &
posterior humeral
arteries
also contribute to the acromial rete;
