NephronsUrineKidney Tubules, DistalKidneyKidney TubulesLoop of HenleKidney Tubules, ProximalKidney Tubules, CollectingKidney GlomerulusUreterGlomerular Filtration RateKidney MedullaInulinUrinalysisKidney Concentrating AbilityAbsorptionKidney CortexPuncturesSodiumDiuresisOrganogenesisNatriuresisAminohippuric AcidsNephrectomyUrine Specimen CollectionWater-Electrolyte BalanceEpithelial Sodium ChannelsPronephrosFerrocyanidesKidney DiseasesRats, Sprague-DawleyRenal CirculationSubstance Abuse DetectionPAX2 Transcription FactorPotassiumCreatinineUromodulinChlorothiazideSodium ChlorideWnt4 ProteinAldosteroneBacteriuriaJuxtaglomerular ApparatusProteinuriaOsmolar ConcentrationTime FactorsDiureticsSodium Chloride SymportersBicarbonatesFurosemideChromatography, High Pressure LiquidAcidosis, Renal TubularTissue DistributionElectrolytesOrgan SizeDogsAcid-Base EquilibriumBlood PressureRats, Inbred Strains