Answer
The annulus fibrosis, is composed mostly of fibrocartilage, is more of the external portion and contains the nucleus pulposus. The nucleus is the semifluid substance enclosed by the annulus. The annulus provides the necessary strength and durability for the disk. The nucleus provides resilience. Disc herniation involves protrusion of the nucleus pulposus through the annulus.
The picture is of a herniated disk.
Work Step by Step
Our discs go through a lot of shock and trauma every day. Just walking is a big feat for us. Without, discs our bodies would break down and be useless in no time at all.
