EnemaTrichechusWaterSalt GlandFresh WaterDeuterium OxideAnimal DistributionSaltsSeawaterBarium SulfateWater-Electrolyte BalanceDrinkingSodium ChlorideHyponatremiaWater SupplyAdaptation, PhysiologicalBody WaterAdministration, RectalMesalamineWater PollutionWater PurificationDiverticulum, ColonSigmoidoscopy