What is the inner core of an intervertebral disc known as?

The inner core of an intervertebral disc is known as the nucleus pulposus. This gel-like center plays a critical role in providing the intervertebral disc with its height and allows it to absorb shocks between the vertebrae during movement. The nucleus pulposus is composed of a high water content, which gives it its ability to maintain pressure and resist compressive forces. This is essential for the overall function of the intervertebral disc, contributing to the flexibility and stability of the spine. In contrast, the annulus fibrosus surrounds the nucleus pulposus and provides structural support and containment, while the other terms mentioned do not accurately describe components of the intervertebral disc.