An intervertebral disc is a thick piece of cartilage between the vertebrae of the spine that both allows some flexibiloity while keeping the vertebrae attached to each other.

Intervertebral disc at Wikipedia

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.