Medulla OblongataKidney MedullaKidney CortexKidney Concentrating AbilityRats, Sprague-DawleyKidneyCatecholaminesChromaffin SystemLoop of HenleBrain StemKidney Tubules, CollectingChromaffin GranulesAquaporin 2Optic Lobe, NonmammalianMicroinjectionsWater DeprivationSympathetic Nervous SystemAdrenal GlandsDopamine beta-HydroxylaseSplanchnic NervesReticular FormationPhenylethanolamine N-MethyltransferaseBlood PressureChromaffin CellsAquaporin 6NeuronsThymus GlandPolyuriaSolitary NucleusRats, BrattleboroPonsAquaporin 1Autonomic PathwaysTyrosine 3-MonooxygenaseKynurenic AcidImmunohistochemistryUreaSpinal CordPheochromocytomaRenal AgentsRats, WistarEpinephrineNephronsAquaporinsRNA, MessengerChromograninsRenal CirculationOsmolar ConcentrationAdrenal Gland NeoplasmsDiuresisPeriaqueductal GrayCattleKidney TubulesSympathectomy, ChemicalEnkephalinsVasopressinsPotassium DeficiencyNeural PathwaysEnkephalin, MethionineRespirationChemoreceptor CellsSolute Carrier Family 12, Member 1Water-Electrolyte BalanceCatsNeuronal Tract-TracersRats, Inbred WKYDeamino Arginine VasopressinBrainReceptors, VasopressinRats, Inbred StrainsAfferent PathwaysPhrenic NerveDenervationPressoreceptorsHeart RateNorepinephrineAdrenal CortexAquaporin 3ReflexSodium ChlorideEfferent PathwaysSodium Chloride, DietaryReceptor, Angiotensin, Type 1SodiumHypothalamusTissue DistributionChromogranin ACardiovascular SystemBaroreflexAngiotensin IIDehydrationParaventricular Hypothalamic NucleusRats, Inbred SHRSodium-Potassium-Chloride SymportersProto-Oncogene Proteins c-fosAdrenalectomyHypertensionAdrenergic FibersElectric StimulationRaphe Nuclei