spondylolysis
(redirected from Pars interarticularis defect)Also found in: Dictionary.
Related to Pars interarticularis defect: spondylolisthesis
spondylolysis
[spon″dĭ-lol´ĭ-sis]the breaking down of a vertebra. adj., adj spondylolyt´ic.
spon·dy·lol·y·sis
(spon'di-lol'i-sis),Degeneration or deficient development of a portion of the vertebra; commonly involves the pars interarticularis, which can result in a spondylolithesis.
[spondylo- + G. lysis, loosening]
spon·dy·lol·y·sis
(spon'di-lol'i-sis)Degeneration or deficient development of the articulating part of a vertebra.
[spondylo- + G. lysis, loosening]