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Definition of Spinal nerve

Spinal nerve: One of the nerves that originates in the spinal cord. There are 31 pairs of spinal nerves: 8 cervical nerves, 12 thoracic nerves, 5 lumbar nerves, 5 sacral nerves, and 1 coccygeal nerve.

Source: MedTerms™ Medical Dictionary
http://www.medicinenet.com/script/main/art.asp?articlekey=17890
Last Editorial Review: 3/19/2012

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