Cervical-plexus



a network of nerves branching from the spinal nerves of the neck region and innervating the neck, chest, diaphragm, and part of the face.

cervical plexus n.
A plexus that lies beneath the sternocleidomastoid muscle, is formed by loops joining the anterior branches of the first four cervical nerves, receives communicating branches from the superior cervical ganglion, and sends out many cutaneous, muscular, and communicating branches.

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