Vertebra: set of bones of the spinal column.
Spinal cord: substance belonging to the nervous system, located in the holes of the vertebrae.
Superior articular process: outgrowth of the top part of a vertebra.
Transverse process: one of two outgrowths of the vertebra, which are aligned horizontally across the spine.
Neural or medullary canal: type of tube containing the spinal cord.
Spinous process: outgrowth at the back of a vertebra that juts out under the skin.
Spinal nerve: branch of nerves emerging from the spinal cord.
Vertebral foramen: cavity of a vertebra through which pass the spinal nerves.
Vertebral body: main part of a vertebra.
Intervertebral disk: flat part on top of the body of a vertebra.