spinal cord

noun

: 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

His right arm, six of his ribs, and his lung had suffered, with a crack on his C2 vertebrae and a spinal cord bruise. —Tyler Shepherd, USA TODAY, 13 Mar. 2025

In the last year alone, Davis notes scientists have published important work in a variety of areas — on blood clotting, the impacts of exercise, evidence of viral persistence in the spinal cord, and loss of blood flow to the brain, to name just a few. —Will Stone, NPR, 12 Mar. 2025

Her doctors noted in their report that the worms typically stay in the pia mater of the brain, a delicate innermost layer of tissue that surrounds the brain and spinal cord. —Ars Technica, 11 Mar. 2025

About two-thirds of people with spinal cord injuries in the U.S. have incomplete injuries, meaning that though their movement may be extremely limited, their spinal cords have not completely lost the ability to transmit messages to and from the brain. —Lisa Schencker, Chicago Tribune, 7 Mar. 2025

Word History

First Known Use

1834, in the meaning defined above

Rhymes for spinal cord

• checkerboard
• clavichord
• fiberboard
• fibreboard
• fingerboard
• harpsichord
• motherboard
• notochord
• overboard
• overlord
• paperboard
• plasterboard

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