Wednesday, March 10, 2010

Axillary artery

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.



Axillary artery and its branches - anterior view of right upper limb and thorax. Upper and lower limits labeled.


The pectoralis minor is used as a landmark for dividing the axillary artery into three parts.

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