spinal nerve

noun

Definition of spinal nerve 

: any of the paired nerves which leave the spinal cord of a craniate vertebrate, supply muscles of the trunk and limbs, and connect with the nerves of the sympathetic nervous system, which arise by a short motor ventral root and a short sensory dorsal root, and of which there are 31 pairs in humans

Examples of spinal nerve in a Sentence

Recent Examples on the Web

Researchers plan to enroll patients with lower back and leg pain brought on by sciatica, or compression of spinal nerves. Sam Wood, Philly.com, "Rothman Institute in Philly will study medical marijuana for pain," 22 Feb. 2018 The procedure enlarges the passageway where the spinal nerve exits the spinal canal. Dave Clark, Cincinnati.com, "Wolfe feels 'so much better' after neck surgery," 15 Feb. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'spinal nerve.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of spinal nerve

circa 1793, in the meaning defined above

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The first known use of spinal nerve was circa 1793

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More Definitions for spinal nerve

spinal nerve

noun

Medical Definition of spinal nerve 

: any of the paired nerves which leave the spinal cord of a craniate vertebrate, supply muscles of the trunk and limbs, and connect with the nerves of the sympathetic nervous system, which arise by a short motor ventral root and a short sensory dorsal root, and of which there are 31 pairs in humans classified according to the part of the spinal cord from which they arise into 8 pairs of cervical nerves, 12 pairs of thoracic nerves, 5 pairs of lumbar nerves, 5 pairs of sacral nerves, and one pair of coccygeal nerves

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