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 Any disease involving the lumbar spinal nerve root, compressing or irritating it, can cause a person to have nerve root compression, reports Emory Healthcare. Sarah Fielding, Health.com, 20 Sep. 2021 So Ayala put spinal nerves from a mouse in a dish next to human prostate cancer cells. Kelly Servick, Science | AAAS, 12 Sep. 2019 The epidural space, which is the outermost part of the spinal canal, contains spinal nerve roots and loose connective tissue. David Grossman, Popular Mechanics, 25 Sep. 2018 Researchers plan to enroll patients with lower back and leg pain brought on by sciatica, or compression of spinal nerves. Sam Wood, Philly.com, 22 Feb. 2018 The procedure enlarges the passageway where the spinal nerve exits the spinal canal. Dave Clark, Cincinnati.com, 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.

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First Known Use of spinal nerve

circa 1793, in the meaning defined above

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Time Traveler for spinal nerve

Time Traveler

The first known use of spinal nerve was circa 1793

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Dictionary Entries Near spinal nerve

spinal marrow

spinal nerve

spinal tap

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Cite this Entry

“Spinal nerve.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spinal%20nerve. Accessed 5 Dec. 2021.

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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

More from Merriam-Webster on spinal nerve

Britannica.com: Encyclopedia article about spinal nerve

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