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spinal nerve
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noun Anatomy.
any of a series of paired nerves that originate in the nerve roots of the spinal cord and emerge from the vertebrae on both sides of the spinal column, each branching out to innervate a specific region of the neck, trunk, or limbs.
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Origin of spinal nerve
First recorded in 1785–95
Words nearby spinal nerve
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use spinal nerve in a sentence
Medical definitions for spinal nerve
spinal nerve
n.
Any of 31 pairs of nerves emerging from the spinal cord, each attached to the cord by two roots, anterior or ventral and posterior or dorsal, the latter provided with a spinal ganglion. The two roots unite in the intervertebral foramen but divide again into ventral and dorsal rami, or anterior and posterior primary divisions, the former supplying the foreparts of the body and limbs, the latter the muscles and skin of the back.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for spinal nerve
spinal nerve
Any of the nerves that arise in pairs from the spinal cord and form an important part of the peripheral nervous system. The spinal nerves contain both sensory and motor nerve fibers. There are 31 pairs of spinal nerves in the human body.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.