Pectoralis major — Free Anatomy Illustration | GPAI | GPAI

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Pectoralis major — Free Anatomy Illustration | GPAI | GPAI

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Pectoralis major

Pectoralis major

Anatomy

Pectoralis major

A large superficial fan-shaped chest muscle, colored pink-red to deep red, broad medially at the sternoclavicular region and tapering laterally toward the humerus into a narrow to flat tendon insertion. The muscle has a distinctly triangular, powerful appearance with clear striations and sweeping oblique fibers converging laterally.

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