单词	intervertebral disc
释义	intervertebral disc noun variants or intervertebral disk plural intervertebral discs also intervertebral disks : any of the tough elastic discs that are interposed between the centra of adjoining vertebrae and that consist of an outer fibrous ring enclosing an inner pulpy nucleus Example Sentences Recent Examples on the Web Your spine has 23 intervertebral disks between its vertebrae that act as shock absorbers. Roy Berendson, Popular Mechanics, 22 May 2018 Dogs or cats with long backs such as dachshunds or munchkins are susceptible to ruptured intervertebral disks. Kim Campbell Thornton, sacbee, 8 Dec. 2017 Word History First Known Use 1841, in the meaning defined above Medical Definition intervertebral disc noun variants or intervertebral disk : any of the tough elastic discs that are interposed between the centra of adjoining vertebrae and that consist of an outer annulus fibrosus enclosing an inner nucleus pulposus
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