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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How to use spinal nerve in a sentence
Between every pair of true arches the two roots of a single spinal nerve pass out.The Works of Francis Maitland Balfour, Volume 1 | Francis Maitland Balfour
It can, however, originate in any other part of the body through the spinal nerve centres.The Healthy Life, Vol. V, Nos. 24-28 | Various
Between the base of the neural arch and its successor is a small foramen for the exit of the spinal nerve.The Vertebrate Skeleton | Sidney H. Reynolds
The neural arch is small and deeply notched behind for the passage of the spinal nerve.The Vertebrate Skeleton | Sidney H. Reynolds
In the case of bodily labor, the spinal nerve-centres are most largely called into action.Wear and Tear | Silas Weir Mitchell
Scientific definitions for 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.