Superior thoracic artery

Mr Andrew Murphy and Dr Craig Hacking et al.

The superior thoracic artery is the only branch of the first part of the axillary artery.  It is only a small and highly variable artery.

Gross anatomy

Origin and course

The superior thoracic artery originates from the first part of the axillary artery, just inferior to subclavius. It courses posterior to the axillary vein.

Branches

It anastomoses with the internal thoracic and anterior and posterior intercostal arteries as well as with the lateral thoracic artery.

Supply
Variant Anatomy
  • origin from the thoracoacromial artery
Upper limb anatomy
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Article information

rID: 55145
System: Vascular
Section: Anatomy
Synonyms or Alternate Spellings:

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Cases and figures

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    Figure 1: diagram
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    Figure 2: axillary anatomy (Gray's illustration)
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