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The brachial plexus is a network of nerves (nerve plexus) formed by the anterior rami of the lower four cervical nerves and first thoracic nerve (C5, C6, C7, C8, and T1).This plexus extends from the spinal cord, through the cervicoaxillary canal in the neck, over the first rib, and into the armpit, it supplies afferent and efferent nerve fibers to the chest, shoulder, arm, forearm, and hand.
The brachial plexus is formed by the ventral rami of C5-C8-T1 spinal nerves, and lower and upper halves of C4 and T2 spinal nerves. The plexus extends toward the armpit. The ventral rami of C5 and C6 form upper trunk, the ventral ramus of C7 forms the middle trunk, and the ventral rami of C8 and T1 join to form the lower trunk of the brachial ...
A diagram of the branches of the brachial plexus. ... and placement of subscapular nerve (arises from the superior trunk, not the ramus of C5) ... Brachial_plexus ...
A anterior view labelled diagram of the right brachial plexus. Items portrayed in this file ... Axillary nerve; Brachial plexus; Brachial plexus block; Erb's palsy ...
The subclavian nerve is a branch of the upper trunk of the brachial plexus. It contains axons derived from the ventral rami of the C5 and C6 cervical spinal nerves. [1] The origin is situated within the posterior triangle of the neck. [2]
The lateral cord is the part of the brachial plexus formed by the anterior divisions of the upper (C5-C6) and middle trunks (C7). Its name comes from it being lateral to the axillary artery as it passes through the axilla. The other cords of the brachial plexus are the posterior cord and medial cord.
The upper (superior) trunk is part of the brachial plexus. It is formed by joining of the ventral rami of the fifth (C5) and sixth (C6) cervical nerves. The upper trunk divides into an anterior and posterior division. The branches of the upper trunk from proximal to distal are: subclavian nerve (C5-C6) suprascapular nerve (C5-C6)
This image is a derivative work of the following images: File:Brachial plexus.svg licensed with Cc-by-sa-3.0-migrated, GFDL 2009-12-26T03:11:11Z Mcstrother 982x403 (15162 Bytes) corrected spelling ("subclacius"-->"subclavius") and placement of subscapular nerve (arises from the superior trunk, not the ramus of C5)