MedlinePlus Medical Encyclopedia: Herniated nucleus pulposis

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Herniated nucleus pulposis

Herniated nucleus pulposus is a condition in which part or all of the soft, gelatinous central portion of an intervertebral disk is forced through a weakened part of the disk, resulting in back pain and nerve root irritation.

Update Date: 11/2/2006

Updated by: Andrew L. Chen, M.D., M.S., Steadman-Hawkins Sports Medicine Foundation, Vail, CO. Review provided by VeriMed Healthcare Network.

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