spinal cord

noun

Synonyms of spinal cordnext
: the cord of nervous tissue that extends from the brain lengthwise along the back in the spinal canal, gives off the pairs of spinal nerves, carries impulses to and from the brain, and serves as a center for initiating and coordinating many reflex acts see brain illustration

Examples of spinal cord in a Sentence

Recent Examples on the Web
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The implant is designed to help people with conditions such as spinal cord injuries by enabling direct interaction with computers. Neetika Walter, Interesting Engineering, 1 Jan. 2026 Of 310 individuals with spinal cord injuries using wheelchairs, 42% experienced at least one adverse consequence such as losing a job, being prevented from engaging in activities outside of their home or experiencing a physical injury like bedsores. Tamia Fowlkes, jsonline.com, 30 Dec. 2025 Since then, Latina women have not seen any decrease in their babies being born with neural tube defects in their brains and spinal cords, which is why lawmakers are targeting tortillas. Tori Apodaca, CBS News, 30 Dec. 2025 The degenerative and incurable disease, which also is known as Lou Gehrig’s disease, depletes and destroys the nerve cells in the brain and spinal cord, eventually causing paralysis. Martha Ross, Mercury News, 29 Dec. 2025 See All Example Sentences for spinal cord

Word History

First Known Use

1834, in the meaning defined above

Time Traveler
The first known use of spinal cord was in 1834

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Cite this Entry

“Spinal cord.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spinal%20cord. Accessed 2 Jan. 2026.

Kids Definition

spinal cord

noun
: the cord of nervous tissue that extends from the brain along the back in the cavity of the backbone, branches to form the spinal nerves, carries nerve impulses to and from the brain, and helps to control reflex actions

Medical Definition

spinal cord

noun
: the thick longitudinal cord of nervous tissue that in vertebrates extends along the back dorsal to the bodies of the vertebrae and is enclosed in the spinal canal formed by their neural arches, is continuous anteriorly with the medulla oblongata, gives off at intervals pairs of spinal nerves to the various parts of the trunk and limbs, serves not only as a pathway for nerve impulses to and from the brain but as a center for carrying out and coordinating many reflex actions independently of the brain, and is composed largely of white matter arranged in columns and tracts of longitudinal fibers about a large central core of gray matter somewhat H-shaped in cross section and pierced centrally by a small longitudinal canal continuous with the ventricles of the brain

called also medulla spinalis

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