Neurological Conditions & Disorders


Neurological Treatments & Services


Degenerative Disc Disease & Herniated Disc

The vertebral column, also called the backbone, is made up of 33 vertebrae that are separated by spongy disks and classified into four distinct areas. The cervical area consists of seven bony parts in the neck; the thoracic spine consists of 12 bony parts in the back area; the lumbar spine consists of five bony segments in the lower back area; five sacral bones (fused into one bone, the sacrum); and four coccygeal bones (fused into one bone, the coccyx).

Lumbar disc disease occurs in the lumbar area of the spine. The lumbar area of the spine (and other areas of the spine) is made up of two parts, including the following:

  • vertebral bodies - the parts that are made of bone.
  • intervertebral discs - also known as the discs; the discs are located between the bony parts of the spine and act as "shock absorbers" for the spine.
Two common conditions of the lumbar area of the spine include:

The vertebral bodies are numbered from 1 to 5 in the lumbar spine and the discs are located between two of the vertebral bodies and are numbered accordingly (such as a disc at L2-3, or between the lumbar discs numbered 2 and 3).

The intervertebral disc is composed of two parts, including the following:

  • annulus fibrosis - a tough outer ring of fibrous tissue.
  • nucleus pulposus - located inside the annulus fibrosis; a more gelatinous or soft material.