Anatomy Of Intervertebral Disc

The disc is flanked rostrally and caudally by cartilaginous end plates that serve as a transitional zone between the disc and the adjacent vertebral bodies. Each disc is made up of two parts.

Schluter Chiropractic Spinal Disc Anatomy Intervertebral

The annulus fibrosus and the nucleus pulposus.

Anatomy of intervertebral disc. There are a total of 24 disks in the human spine. They also serve to protect the nerves that run down the middle of the spine and intervertebral disks. Without intervertebral discs the spine would simply be a rigid column of bone but with the addition of discs the spine is a marvel of strength and flexibility.

Understanding intervertebral disc anatomy is the first step in defeating herniated disc pain. Anatomy of the lumbar intervertebral discs introduction. This is the main source of discogenic pain.

The embryology of the intervertebral disc begins during the fourth week. An intervertebral disk acts as shock absorber between each of the vertebrae in the spinal column by keeping the vertebrae separated when there is impact from activity. During these changes nociceptive nuclear material tracks and leaks through the outer rim of the annulus.

The normal human spinal column contains 23 fibrocartilage intervertebral discs. Section 1 chapter 1. The intervertebral discs are the largest structures in the body without a vascular supply.

The intervertebral disc is a. As the disc ages degeneration occurs osmotic pressure is lost in the nucleus dehydration occurs and the disc loses its height. A disc is a soft tissue which helps to cushion the vertebral bones inside the spine.

By means of osmosis each disc absorbs needed nutrients. The annulus is a sturdy tire like structure that encases a gel like center the nucleus pulposus. The bulk of the disc is made up of a central nucleus pulposus np and the surrounding anulus fibrosus af fig.

Section 1 Chapter 1 Anatomy Of The Lumbar Intervertebral