intervertebral disk

Introduction

A disk between adjacent vertebrae, consisting of:

• anulus fibrosis (an outer fibrous part)
• nucleus pulposus (a soft fibrocartilagenous central part)

There is no IV disc between C1 & C2 vertebrae. The most inferior functional disc is between L5 & S1 vertebrae.

More general terms

• cartilage

Additional terms

• degenerative disc disease
• herniated disc

Components

• anulus fibrosus of intervertebral disk