Elections. 1  Election results. 2  Be a precinct election official. 3  Election calendar.  Information for 1  candidates. Put an issue on the ballot.
A retrolisthesis is a posterior displacement of one vertebral body with respect to the adjacent vertebrae to a degree less than a luxation (dislocation) .igns and symptoms [edit]. Retrolisthesis may lead to symptoms of greatly varying intensity and distribution. This is because of the variable nature of the impact on nerve tissue and of the mechanical impact on the spinal joints themselves.
retroactive adjective. âº If a âlaw or âdecision, etc. is retroactive, it has âeffect from a âdate before it was âapproved: the first British âlaw to have retroactive âeffect. retroactively adverb uk us /-li/ âº The âcourts cannot âapply a new ârule retroactively. adverb uk us /-li/.