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cervical plexus
cervical plexus The cervical plexus is a network of nerves that comes from the upper four cervical segments of the spinal cord.
The cervical plexus is a network of nerves that comes from the upper four cervical segments of the spinal cord. It supplies feeling to parts of the neck, shoulders, and back of the head, and sends movement-related fibers to some neck muscles, the infrahyoid muscles, and the diaphragm.