单词	spinal cord
释义	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 Example Sentences Recent Examples on the Web Many convertible car seats are safe for newborns, but infant car seats are designed specifically around the needs of an infant, offering additional targeted support for their neck, head, and spinal cord. Jon Langston, Car and Driver, 10 Sep. 2022 Some who contract the virus are asymptomatic, but in more serious cases, the brain or spinal cord are affected and the virus can potentially lead to paralysis. Allison Prang, WSJ, 17 Aug. 2022 Fetal tissue research is the foundation for a litany of medical advances, from advances in treating Alzheimer's disease and spinal cord repair to the production and manufacture of the Johnson and Johnson COVID-19 vaccine. Dave Boucher, Detroit Free Press, 1 July 2022 This, in turn, releases chemicals into the muscles, spinal cord and brain. Noma Nazish, Forbes, 26 Apr. 2022 Experts believe that the hug is the result of myelin damage in very specific areas of the brain stem or spinal cord—but the exact location is unknown, Dr. Green says. Sara Gaynes Levy, SELF, 19 Apr. 2022 The bullets struck Blancornelas in his right lung, liver and spinal cord. San Diego Union-Tribune, 19 Apr. 2022 The two most common types of meningococcal infections are meningitis, which is an infection of the lining of the brain and the spinal cord, and bloodstream infection, according to the CDC. Elisha Fieldstadt, NBC News, 11 Apr. 2022 Polio, an infectious disease that destroys nerve cells in the spinal cord and causes paralysis, is even less prevalent. Rachel Reiff Ellis, Fortune, 2 Sep. 2022 See More Word History First Known Use 1834, in the meaning defined above Kids Definition spinal cord noun : a thick bundle of nerves that extends from the brain down through the cavity of the backbone and connects with nerves throughout the body to carry information to and from the brain 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 spinal cord noun as in vertebra Synonyms & Similar Words Relevance vertebra spinal column vertebral column back spine chine backbone
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