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of the upper, middle, and lower trunks
* when observing the body in the anatomical position, the anterior divisions are superficial to the posterior divisions

Cords

These six divisions regroup to become the three cords or large fiber bundles. The cords are named by their position with respect to the axillary artery.
* The posterior cord is formed from the three posterior divisions of the trunks (C5-C8, T1)
* The lateral cord

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