Spinal nerve

The term spinal nerve generally refers to the mixed spinal nerve, which is formed from the dorsal and ventral roots that come out of the spinal cord. The spinal nerve is the bit that passes out of the vertebrae through the intervertebral foramen.

Related Topics:
Nerve - Spinal cord - Vertebra

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There are a total of 31 bilaterally-paired spinal nerves :

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• 8 cervical
• 12 thoracic
• 5 lumbar
• 5 sacral
• 1 coccygeal

The first to seventh cervical nerves (C1 to C7) exit from the vertebral canal above the respective cervical vertebra (that is to say, C1 exits above the first cervical vertebra; C2 exits above the second, and so forth). The C8 spinal nerve exits below the seventh cervical vertebra, and all the other spinal nerves leave below their corresponding vertebra.

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The formation of the spinal nerve from the dorsal and ventral roots.

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Spinal nerve: Formation of the spinal nerves ►