Tuesday, November 29, 2011

Cervical Plexus

The cervical plexus is a nerves network formed by the spinal nerve of the neck. It consists of the anterior branch of the first four spinal nerves (C1, C2, C3, C4). The following nerves originate here: the lesser occipital nerve, the greater auricular nerve, the transverse nerve of the neck, the supraclavicular nerves, the phrenic nerve, and also the roots of the deep cervical ansa. The cervical plexus innervates the deep neck muscles, such as the anterior and lateral rectus capitis muscles, the long muscle of the head and the long muscle of the neck.