These bones, or vertebrae, enclose and protect a cylinder of nerve tissues known as the spinal cord. Between each one of the vertebrae is an intervertebral disk, or band of cartilage serving as a ...

The doctor will join spinal bones, called vertebrae, together. This limits the motion between them and how far your nerves can stretch. But it probably won’t limit your activity. It’s rare ...

The vertebrae of this shark are up to 6 inches (15 centimeters) in diameter; another fossil shark specimen from Denmark has vertebrae that are 9 inches (23 centimeters) across. For context ...