pectorodorsalis muscle
Definition: an anomalous muscle or tendinous slip that passes across the axilla from the pectoralis major to insert with the latissimus dorsi onto the humerus. Thought to be a vestige of the panniculus carnosus muscle of lower mammals.
Synonym(s): axillary arch muscle, axillary arch, Langer arch, Langer muscle, pectorodorsal muscle
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