pars interarticularis


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 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