Bones and Discs

A vertebral bone (vertebra) consists of a body, a vertebral arch, and special bony processes arising from the arch.

Facet Joints
At each level of the spine between two vertebrae and the disc, the posterior bony elements meet on each side of the spine and a joint is formed, known as a facet joint.

Between each vertebra is a soft tissue, elastic structure called a spinal disc, or intervertebral disc.