Definition of Spondylolysis
Spondylolysis: The breaking down (dissolution) of a portion of a vertebra. The affected portion of the vertebra is a bone segment called the pars interarticularis, which can separate. Spondylolysis can be a cause of abnormal movement of the spine (spondylolisthesis) and lead to localized back pain.
Source: MedTerms™ Medical Dictionaryhttp://www.medterms.com/script/main/art.asp?articlekey=7206
Last Editorial Review: 3/19/2012
Drug Medical Dictionary of Terms by Letter
Medical Dictionary Term:
Chronic Pain/Back Pain
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