释义 |
cervical nerve ThesaurusNoun | 1. | cervical nerve - any of eight pairs of spinal nerves emerging from the cervical section of the spinal cordnervus spinalis, spinal nerve - any of the 31 pairs of nerves emerging from each side of the spinal cord (each attached to the cord by two roots: ventral and dorsal) | EncyclopediaSeenervecervical nerve
cervical nerve1. 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: nervecervical nerve Related to cervical nerve: Transverse cervical nerve, First cervical nerveWords related to cervical nervenoun any of eight pairs of spinal nerves emerging from the cervical section of the spinal cordRelated Words- nervus spinalis
- spinal nerve
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