cervical nerve

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Related to Cervical nerves: Cranial nerves

cervical nerve

1. Any of the eight pairs of spinal nerves that originate in the cervical segments of the spinal cord. They are abbreviated C1 to C8. The first cervical spinal nerve (C1) emerges from the spinal canal above the first cervical vertebra; the eighth cervical spinal nerve (C8) emerges from between the seventh cervical vertebra and the first thoracic vertebra. Cervical spinal nerves innervate the neck, shoulders, and arms.
2. A motor branch of the facial nerve (CN VII) that emerges from the lower end of the parotid gland and runs down behind the angle of the jaw to innervate the platysmus muscle.
See also: nerve
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References in periodicals archive ?
Cervical nerves start high in the cervical area and pass directly laterally to their respective neuroforamina.
DISCUSSION: The brachial plexus is formed by the union of the anterior primary divisions (ventral rami) of the fifth to the eighth cervical nerves and the first thoracic nerve.
* the cervical branch to the platysma; there are interconnections between the facial nerve and primarily the sensory nerves, including the trigeminal, glossopharyngeal, vagus, and cervical nerves (3)