Medically reviewed by Jennifer Steinhoff, MD Key Takeaways The lumbar spine includes five vertebrae that help with mobility ...

What is the anatomy of the spinal cord? The human spinal cord is a cylindrical structure of nerve tissue that is protected by the spinal column and composed of uniformly organized white and grey ...

The spine (aka backbone) is a linked column of bones running from the head down to the lower back. Bone segments form the column. One bone segment is a vertebra, and multiple bone segments are ...

Lumbar retrolisthesis is when parts of your backbone are slipping backward on one another. Although this condition generally causes few symptoms, there’s evidence that lumbar retrolisthesis can lead ...

A lumbar laminectomy is a surgery that treats compression of the spinal cord in your lower back. The surgery involves removing all or part of your vertebra called the lamina. The lamina is the part of ...