pars interarticularis

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Related to pars interarticularis: Ligamentum flavum, spondylolisthesis

pars in·ter·ar·tic·u·la'·ris

Avoid using the simple word pars in the special sense of pars interarticularis.
The segment of bone between the superior and inferior articular facets, especially in the lumbar spine.

pars interarticularis

a region of the vertebra between the superior and inferior facet joints that is susceptible to trauma.

pars in·ter·ar·tic·u·la·ris

(pahrz in-tĕr-ahr-tik'yū-lā'ris)
The region between the superior and inferior articulating facets of a vertebra; frequently the site of fracture in spondylolysis.

pars interarticularis

The region between the superior and inferior articulating facets of a vertebra; the region where fracture frequently occurs with spondylolysis.
See also: pars
References in periodicals archive ?
Yang and coworkers (22) compared results of SPECT versus thin slice CT for detecting stress injuries of the pars interarticularis.
The location of the pedicle and pars interarticularis in the axis.
14-19] Spina bifida occulta may lead to instability of the lower lumbar segment, predisposing one to the development of pars interarticularis defects.
Pars interarticularis stress and disc degeneration in cricket's potent strike force: the fast bowler.
We hypothesized that the width between the pars interarticularis is greater at lower levels of the lumbar spine than at higher levels.
Computed tomography images taken three months later revealed a pars interarticularis lucency with a jagged fuzzy hair on end appearance noted within the lucency at the left L5 region with minimal compensatory sclerosis of the right L5 pars interarticularis suggesting that ongoing healing process was occurring (See Figure 2).
Axial noncontrast CT at the C6 level showed bilateral well-corticated defects of the pars interarticularis.
This is important as part of the differential diagnosis that includes tumors, pars interarticularis problems, lumbar disk problems, sacroiliac joint pain, mechanical or muscular pain, and Schaumann's disease.
Traumatic injuries to the pars interarticularis (spondylolysis) also cause back pain.
Spondylolysis, a defect of the pars interarticularis of the neural arch, is a risk factor for low back pain, and has been reported in as high as 47% of young athletes presenting with LBP (37).
This forward slippage is caused by a problem or defect within the pars interarticularis.
Spondylolysis, a defect in the pars interarticularis of the vertebral arch, and spondylolisthesis, the anterior displacement of one vertebral body with reference to the one below it, were classified by Wiltse and colleagues (1) into five types: dysplastic, isthmic, degenerative, traumatic, and pathologic.

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