Axillary artery

Axillary artery
Axillary artery and its branches—anterior view of right upper limb and thorax. Upper and lower limits labeled.
The pectoralis minor muscle is used as a landmark for dividing the axillary artery into three parts.
Details
SourceSubclavian artery
BranchesSuperior thoracic
thoracoacromial
lateral thoracic
subscapular
anterior circumflex humeral
posterior circumflex humeral
continues as brachial artery
VeinAxillary vein
SuppliesAxilla
Identifiers
Latinarteria axillaris
MeSHD001366
TA98A12.2.09.002
TA24616
FMA22654
Anatomical terminology

In human anatomy, the axillary artery is a large blood vessel that conveys oxygenated blood to the lateral aspect of the thorax, the axilla (armpit) and the upper limb. Its origin is at the lateral margin of the first rib, before which it is called the subclavian artery.

After passing the lower margin of teres major it becomes the brachial artery.


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