Vertebral canal (canalis vertebralis) forms by each vertebral foramen of all vertebra and sacral canal. It contains the:
- Spinal cord (medulla spinalis)
- Spinal meninges (meninges spinales)
- Cerebrospinal fluid (liquor cerebrospinalis).
Sacral canal (canalis sacralis) contains the:
- Cauda equina (cauda equina)
- Conus of dura mater (conus durae matris)
- Filum terminale (filum terminale).
Intervertebral foramen (foramen intervertebrale) contains the:
- Spinal nerve (nervus spinalis)
Foramen of transverse process C1-C6 contains the:
- Vertebral artery (arteria vertebralis)
- Vertebral veins (venae vertebrales).