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Anatomy Atlases: Illustrated Encyclopedia of Human Anatomic Variation: Opus II: Cardiovascular System: Arteries: Head, Neck, and Thorax: Internal Thoracic Artery

Illustrated Encyclopedia of Human Anatomic Variation: Opus II: Cardiovascular System: Arteries: Head, Neck, and Thorax

Internal Thoracic Artery

Ronald A. Bergman, PhD
Adel K. Afifi, MD, MS
Ryosuke Miyauchi, MD
Peer Review Status: Internally Peer Reviewed

The origins of this artery may vary as follows: a) It may arise from the subclavian, behind or in front of scalenus anterior; b) the right artery may arise from the ascending aorta; or c) it may arise in common with the inferior thyroid.

The left internal thoracic artery has been shown by Robicsek, et al.(1967), to give rise to a anterior interventricular (descending) coronary artery, the usual supply being the left anterior descending coronary artery (LAD-CA).

Image 71, Image 97, Image 319, Image 323,Image 409

Image 480, Image 481

References

Gruber, W. (1872) Ueber die Varianten des ungewöhnlichen Ursprunges der Arteria mammaria interna und des Truncus thyreocervicalis. Arch. f. Pathologische Anatomie u. Physiol. u. f. Klinische Medicin. 45(3):485.

Robicsek, F. ,Sanger, P.W., Daugherty, H.K. and V. Gallucci. (1967) Origin of the anterior interventricular (descending) coronary artery and vein from the left mammary vessels: A previously unknown anomaly of the coronary system. J Thorac. Cardiovasc. Surg. 53:602-604.

Vorster, W., duPlooy, P.T., and J.H. Meiring. (1998) Abnormal origin of internal thoracic and vertebral arteries. Clin.Anat. 11:33-37.

See Lateral Internal Thoracic artery for references.

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