noun

vertebra

VUR-tih-bruh/ˈvɜːrtɪbrə/

One of the bones that form the spine.

The lumbar vertebra forms one of the bones in the adjoining spine model.

A single human lumbar vertebra prominently displayed beside a smaller articulated backbone, with the corresponding bone subtly emphasized to make its membership in the spine visible.
Etymology

Latin vertebra meant a bodily joint, especially a spinal joint. It may derive from a verb meaning “to turn,” suggesting the spine as the body's hinge.

In context

Neural Academy2:52
between the vertebra are the intervertebral discs which provide cushioning and prevent the bones from rubbing together
VERTEBRAL COLUMN ANATOMY (1/2)

More examples

  • Disks cushion the spaces between most vertebrae.
  • She fractured a vertebra in her lower back.
  • The model shows how each vertebra fits into the spine.

Forms

vertebra · vertebrae · vertebras

vertebral adjective — Relating to the bones of the spine.

Similar words

bone
A broader term, not limited to parts of the spine.