Herniated nucleus pulposus
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.

Review Date:
11/2/2006
Reviewd By:
Andrew L. Chen, M.D., M.S., Steadman-Hawkins Sports Medicine Foundation, Vail, CO. Review provided by VeriMed Healthcare Network.