Medical Dictionary


noun cly·sis \ˈklī-səs\
plural cly·ses \-ˌsēz\

Medical Definition of CLYSIS

:  the introduction of large amounts of fluid into the body usually by parenteral injection to replace that lost (as from hemorrhage or in dysentery or burns), to provide nutrients, or to maintain blood pressure—see hypodermoclysis, phleboclysis, proctoclysis


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