- retrospondylolisthesis
- Slipping posteriorly of the body of a vertebra, bringing it out of line with the adjacent vertebrae. [retro- + G. spondylos, vertebra, + olisthesis, a slipping]
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ret·ro·spon·dy·lo·lis·the·sis (ret″ro-spon″də-lo-lis-theґsis) posterior displacement of one vertebral body on the subjacent body.
Medical dictionary. 2011.