[ rĕt′rō-spŏn′də-lō-lĭs-thēsĭs ]


Backward slippage of the body of a vertebra that moves it out of alignment with adjacent vertebrae.


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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.