listhesis
A forward (anterior) displacement (slippage) of a vertebra over a lower segment.
Noun
- A forward (anterior) displacement (slippage) of a vertebra over a lower segment.
- Type 1 facetal malalignment was when the facet of atlas was dislocated anterior to the facet of axis on lateral imaging and simulates lumbosacral listhesis. - 2015 July 28, Atul Goel, “Craniovertebral Junction...
- Any such displacement, anterior or otherwise.
Origin
From reanalysis of spondylolisthesis as spondylo- + listhesis. The second element would be more accurately written olisthesis; it is from Ancient Greek ὀλισθάνω (olisthánō, “to slip, to slide”). Compare olistostrome. The word first appears in a 1912 medical terminology reference.