Study note
AnatomyAxilla

Axillary artery branches and the superior thoracic artery

THE CONTEXT
The axillary artery gives six branches, distributed across its three parts.

Distribution of branches

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The first part gives one branch, the second part gives two branches, and the third part gives three branches.

Superior thoracic artery

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The superior thoracic artery is a very small branch arising from the first part of the axillary artery near subclavius.
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It runs downwards, forwards, and medially, passing between the two pectoral muscles.
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It supplies the pectoral muscles and the thoracic wall.
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