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 is also called retrospective. (See: ex post facto) retroactive adjective affecting the past, beginning before, commencing before, effective before, having prior application, having prior effect, operational before, starting before, taking effect before Associated concepts: ex post facto, retroactive effect