Osmolar ConcentrationGuanfacineIoxaglic AcidMannitolAdrenergic alpha-2 Receptor AntagonistsDiuresisHypertonic SolutionsAdrenergic alpha-2 Receptor AgonistsNaltrexonePrazosinIdazoxanQuinoxalinesAdrenergic alpha-AgonistsKidneyContrast MediaBlood Urea NitrogenSodiumReceptors, Adrenergic, alpha-2Open Reading FramesSodium ChlorideNatriuresisGlomerular Filtration RateAdrenergic alpha-AntagonistsWaterPotassiumFractures, OpenRats, Sprague-DawleyMolecular Sequence DataBase SequenceAmino Acid SequenceOpen BiteCloning, Molecular