Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Diagrammatic representation of 2 lumbar vertebra. The pars interarticularis is the region between the lamina, pedicle, superior articular process, and inferior articular process of each vertebra. Each vertebra resembles a “Scotty dog,” with defect across the pars interarticularis producing the “Scotty dog collar” sign.
