spinal nerve

American  

noun

Anatomy.

1. 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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spinal nerve Scientific  

1. 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.

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Etymology

Origin of spinal nerve

First recorded in 1785–95

Example Sentences

He missed Virginia Tech’s pro day in March because of a microdiscectomy — a fairly common back surgery to alleviate pressure on the spinal nerve column.

From Washington Times • Apr. 28, 2021

Six months before nationals, I pinched a spinal nerve.

From The Guardian • May 31, 2019

In skeletal muscles, ACh receptors are initially present along most of the surface of the myoblasts, but spinal nerve innervation causes the release of growth factors that stimulate the formation of motor end-plates and NMJs.

From Textbooks • Jun. 19, 2013

In the new experiment, reported in Friday's issue of the journal Science, researchers stimulated spinal nerve circuits and used physical training.

From Seattle Times • May 31, 2012

Each spinal nerve has two roots, one from the anterior, the other from the posterior portion of the cord.

From A Practical Physiology by Blaisdell, Albert F.