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Subclavian artery (anatomy)

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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The subclavian artery on each side is the main branch from the aorta to the upper limb. It also provides branches to the respective side of the head, neck, thoracic cavity and mediastinum.

Each subclavian artery is in continuity with the ipsilateral axillary artery distally but originates from the:

  • brachiocephalic trunk on the right
  • aorta directly on the left

Each subclavian artery can be divided into three parts according to its position relative to the scalenus anterior muscle at the root of the neck.


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The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.

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