Internal thoracic artery — Free Anatomy Illustration | GPAI | GPAI

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Internal thoracic artery — Free Anatomy Illustration | GPAI | GPAI

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Internal thoracic artery

Internal thoracic artery

Anatomy

Internal thoracic artery

A long slender to medium-caliber red artery descending vertically along the inner anterior chest wall, running parallel to the sternum and arising from the inferior aspect of a larger artery such as the subclavian. It has a smooth muscular tubular wall, a narrow circular lumen, and a straight to slightly curved descending course. Small segmental or perforating side branches arise at fairly regular intervals along its length, with some fine tapering branches near the lower end. Clean anatomical vessel appearance.

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