====== Spondylolisthesis ====== The term [[spondylolisthesis]] is derived from the combined Greek terms spondylos ([[vertebra]]), and [[listhesis]] (to slip). The term literally means the “slippage of one vertebra forward in relation to the adjacent [[vertebra]]. Spondylolisthesis is the [[subluxation]] of a [[vertebral body]] over another in the [[sagittal plane]]. ===== Classification ===== [[Cervical degenerative spondylolisthesis]]. [[Thoracic degenerative spondylolisthesis]]. [[Lumbar degenerative spondylolisthesis]].