MUSCULUS PECTORALIS MAJOR - STRUCTURE, FUNCTION & DISEASES - ANATOMY
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Pectoralis major muscle



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Follicle-stimulating hormone (follitropin)
Follicle-stimulating hormone (follitropin)
The pectoralis major muscle is the large pectoral muscle. It participates in the motor control of the arm (internal rotation, adduction, anteversion) and as an auxiliary muscle in breathing. In Poland syndrome, a rare dysplasia, the muscle is missing