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Anatomy Atlases: Illustrated Encyclopedia of Human Anatomic Variation: Opus II: Cardiovascular System: Arteries: Upper Limb: Lateral Thoracic Artery

Illustrated Encyclopedia of Human Anatomic Variation: Opus II: Cardiovascular System: Arteries: Upper Limb

Lateral Thoracic Artery

Ronald A. Bergman, PhD
Adel K. Afifi, MD, MS
Ryosuke Miyauchi, MD

Peer Review Status: Internally Peer Reviewed


This artery may arise from the thoracoacromial (12% of individuals, Poynter).

The lateral thoracic may be replaced by or it may replace the thoracodorsal.

On rare occasions it gives rise to the ulnar artery, and itself may be a branch of the subscapular (8%, Poynter).

In about 24% of individuals the lateral thoracic is doubled.

Poynter found the distribution to the intercostal spaces to be irregular; the second space received no supply in 15% and the axillary sent another branch to supply this intercostal space in 17%.


References

See references listed under Axillary (artery)and Supreme thoracic, also -

Kropp, B.N. (1951) The lateral costal branch of the internal mammary artery. J. Thoracic Surg. 21:421-425.

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