Discs Anatomy

The outer portion of the disc annulus fibrosus is the tough circular exterior composed of concentric sheets of collagen fibers lamellae that surround the inner core. The outside of the disk is made of a strong material called the annulus fibrosus.

Lumbar Disc Herniation Spine Orthobullets

Chapter 23 intervertebral disc.

Discs anatomy. There are a total of 24 disks in the human spine. The disc serves a dual purpose one as part of a joint complex that allows for the various movements of the spine including bending flexion and torsion. The intervertebral disc ivd is an integral component of the vertebral column.

The vertebrae provide structure support and strength while the discs provide flexibility and cushioning. Anatomy physiology and aging. The lumbar spine of the human is made up of five lumbar vertebrae that are separated by five intervertebral discs blue structures in fig.

The discs may be thought of as spinal shock absorbers for they absorb the load axial load of the body. Spinal disc anatomy annulus fibrosus. The disks are made of fibrocartilaginous material.

Posterior to behind each of the discs and between every pair of vertebral bones is a foramen or hole. The discs are in the anterior front part of the spine. Spinal disc anatomy factsheet spinal discs are soft tissues found between each vertebral bone in the spinal column.

Together the discs allow movement and cushion shocks. Basic disc lumbar anatomy. The inner core nucleus pulposus contains a loose network of fibers.

Flexible Human Spine Model With Soft Intervertebral Discs 3b Smart Anatomy