Page Index: Anatomy Lumbar| Anatomy Sacrum| Lumbosacral transitional vertebra
Transverse process
Pedicle
Superior articular process
Pars interarticularis (isthmus)
Lamina
The pars interarticularis or simply pars (plural: partes interarticulares) is the part of a vertebra located between the superior and inferior articular processes.
1. Sacral ala
2. Superior articular process of sacrum
3. First sacral tubercle
5. Sacral arcuate lines
7. Pelvic sacral foramina