Canadian Medical Guide > Anatomy > Nervous System > Peripheral Nervous System > Peripheral Nerves > Spinal Nerves > Cervical Plexus Terms and Definitions
Cervical Plexus
Medical Definition: | A network of nerve fibers originating in the upper four cervical spinal cord segments. The cervical plexus distributes cutaneous nerves to parts of the neck, shoulders, and back of the head, and motor fibers to muscles of the cervical spinal column, infrahyoid muscles, and the diaphragm. |
Guide Notes: | a network of spinal nerves |
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Phrenic Nerve - The motor nerve of the diaphragm. The phrenic nerve fibers originate in the cervical spinal column (mostly C4) and travel through the cervical plexus to the diaphragm. |
Cervical Plexus Medical Definitions and Terms
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