单词	spinal nerve
释义	spinal nerve noun plural spinal nerves : any of the paired nerves which leave the spinal cord of a craniate vertebrate, supply muscles of the trunk and limbs, and connect with the nerves of the sympathetic nervous system, which arise by a short motor ventral root and a short sensory dorsal root, and of which there are 31 pairs in humans Example Sentences Recent Examples on the Web This study redesigned technology originally used to alleviate pain to target spinal nerve roots. Tasnim Ahmed, CNN, 7 Feb. 2022 Any disease involving the lumbar spinal nerve root, compressing or irritating it, can cause a person to have nerve root compression, reports Emory Healthcare. Sarah Fielding, Health.com, 20 Sep. 2021 So Ayala put spinal nerves from a mouse in a dish next to human prostate cancer cells. Kelly Servick, Science | AAAS, 12 Sep. 2019 The epidural space, which is the outermost part of the spinal canal, contains spinal nerve roots and loose connective tissue. David Grossman, Popular Mechanics, 25 Sep. 2018 Researchers plan to enroll patients with lower back and leg pain brought on by sciatica, or compression of spinal nerves. Sam Wood, Philly.com, 22 Feb. 2018 The procedure enlarges the passageway where the spinal nerve exits the spinal canal. Dave Clark, Cincinnati.com, 15 Feb. 2018 See More Word History First Known Use 1683, in the meaning defined above Medical Definition spinal nerve noun : any of the paired nerves which leave the spinal cord of a craniate vertebrate, supply muscles of the trunk and limbs, and connect with the nerves of the sympathetic nervous system, which arise by a short motor ventral root and a short sensory dorsal root, and of which there are 31 pairs in humans classified according to the part of the spinal cord from which they arise into 8 pairs of cervical nerves, 12 pairs of thoracic nerves, 5 pairs of lumbar nerves, 5 pairs of sacral nerves, and one pair of coccygeal nerves
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