Slow, continuous administration of saline solution by instillation into the rectum and sigmoid colon.
[procto- + G. klysis, a washing out]
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rectoclysis(rĕk-tŏk′lĭ-sĭs) [″ + Gr. klysis, a washing]
The slow introduction of fluid into the rectum.
Medical Dictionary, © 2009 Farlex and Partners