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trunks of brachial plexus

 

Definition: the superior, middle, and inferior trunks; formed by spinal nerves C5–T1; as they pass into the axilla, each trunk separates into an anterior and posterior division; fibers in these six divisions then regroup to form the lateral, medial, and posterior cords.

Synonym(s): trunci plexus brachialisTA

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