Adjective
of or involving excess nitrogenous waste products in the urine (usually due to kidney insufficiency)
Source: WordNetThe authors of the paper in question cite a study on rats (both non-uremic and uremic) in which all uremic rats died on a sorbitol enema regimen, whilst uremic rats on non-sorbitol regimens – even with SPS included – showed no signs of colonic damage. Source: Internet