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spinal cord

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noun
the cord of nerve tissue extending through the spinal canal of the spinal column.

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Origin of spinal cord

First recorded in 1830–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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British Dictionary definitions for spinal cord

spinal cord

noun
the thick cord of nerve tissue within the spinal canal, which in man gives rise to 31 pairs of spinal nerves, and together with the brain forms the central nervous system
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for spinal cord

spinal cord

The long, cordlike part of the central nervous system that is enclosed within the vertebral column (spine) and descends from the base of the brain, with which it is continuous. The spinal cord branches to form the nerves that convey motor and sensory impulses to and from the tissues of the body.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Cultural definitions for spinal cord

spinal cord

The thick column of nerve tissue that extends from the base of the brain about two thirds of the way down the backbone. As part of the central nervous system, the spinal cord carries impulses back and forth between the brain and other parts of the body through a network of nerves that extend out from it like branches.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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