The center of the intervertebral discs is called the:

A) annulus fibrosus.
B) fibrocartilage.
C) spinal column.
D) nucleus pulposus.

Intervertebral Discs

The cartilage discs that sit between the bones (vertebrae) in the spine, acting as shock absorbers and allowing flexibility.

Annulus Fibrosus

The outer portion of the intervertebral disc that surrounds the nucleus pulposus, providing the disc with strength and flexibility.

Fibrocartilage

A type of tough, dense tissue that has both fibrous and cartilaginous qualities, found in areas like intervertebral disks.