MedlinePlus Medical Encyclopedia: Herniated lumbar disk

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Herniated lumbar disk

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

Update Date: 9/21/2006

Updated by: Jeffrey Kauffman, MD, Sacramento Knee and Sports Medicine, Sacramento, CA. Review provided by VeriMed Healthcare Network.

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