The Outer Region of an Intervertebral Disc (Composed of Fibrocartilage)is

Question

The outer region of an intervertebral disc (composed of fibrocartilage)is known as the ________.
A) synchondrosis
B) nucleus pulposus
C) annulus fibrosis
D) symphysis

Accepted Answer

The outer region of an intervertebral disc is composed of fibrocartilage and is known as the annulus fibrosis. A synchondrosis is a cartilaginous joint, a nucleus pulposus is the inner gel-like region of the intervertebral disc, and a symphysis is a type of joint where two bones are united by fibrocartilage.