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

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

Thoracoacromial Artery

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

Peer Review Status: Internally Peer Reviewed


The thoracoacromial artery may be missing.

In Poynter's series it was the second branch in 47% of individuals studied.

In some cases the arteries that make up the trunk arise separately, and in other cases it may have four branches; supreme (superior) thoracic, thoracic branch of the thoracoacromial, accessory pectoral branches, and lateral thoracic.

The thoracoacromial artery may send a branch to pectoralis minor (8%)

This artery may have a common origin with some other artery in 24% of individuals.

The first part of the axillary artery may, in rare cases, give rise to the subscapular artery or supply a branch to the subscapular muscle.


References

See references listed under Axillary (artery)and Supreme (Superior) thoracic.

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