Zygapophysial joints

Definition

Zygapophysial joints, also known as facet joints, are synovial joints that connect the vertebrae in the spine. They facilitate back movements and provide stability by limiting excessive motion.

Related terms

Synovial Joint: A type of joint that is enclosed within a capsule filled with synovial fluid, facilitating smooth movement between bones.

Vertebrae:

The individual bones that stack to form the vertebral column (spine), providing structural support and protection for the spinal cord.

Spinal Cord:

A long, thin, tubular structure made up of nervous tissue, which extends from the brainstem down through the vertebral column, carrying nerve impulses to and from the brain to the rest of the body