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Medical Term:

pectorodorsalis muscle


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

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.