The deep veins of the upper limb lie underneath the deep fascia. The course of the deep veins corresponds to the course of the arteries. A pair of veins accompany each artery until the axillary cavity, where two brachial veins (Latin: vv. brachiales) flow into one axillary vein (Latin: v. axillaris).
In the axilla, the axillary vein is located in a bundle of nerves and arteries most superficially and medially. It reaches the cervical region, where it continues as the subclavian vein (Latin: v. subclavia).
The main tributaries of the axillary vein include: