HydrogenHydrogen-Ion ConcentrationHydrogen BondingHydrogen PeroxideHydrogen SulfideBicarbonatesProtonsAcidosisAcid-Base EquilibriumCarbon DioxideAcidosis, RespiratoryBuffersHydrochloric AcidGastric Acidity DeterminationIon ChannelsSodiumGastric JuiceAcetazolamideAcidosis, Renal TubularAlkalosis, RespiratoryChloridesAmmonium ChlorideKineticsPotassiumPartial PressureHelix (Snails)TurtlesSodium BicarbonateBiological Transport, ActiveCalciumSecretory RateTime FactorsWaterAcidsMembrane PotentialsLactatesOxygenOsmolar ConcentrationHypercapniaCell Membrane PermeabilityPhosphatesSodium-Hydrogen AntiporterDinitrophenolsPotassium ChlorideGastric MucosaExtracellular SpaceMolecular Sequence DataModels, ChemicalIon TransportModels, BiologicalIonophoresSulfatesPentagastrinModels, MolecularBiological TransportTemperatureGastric AcidDogsIon Channel GatingDepression, ChemicalOxidation-ReductionHydrogen CyanideAbsorptionEnzymesMutationAmino Acid SequenceSodium ChlorideElectrophysiologyAmilorideUrinary BladderHeavy IonsCells, CulturedRats, Inbred StrainsOxygen ConsumptionOxidantsCatalaseNeuronsRNA, MessengerBinding SitesProtein ConformationCell LineCatsDeuterium Exchange MeasurementMolecular StructureCrystallography, X-RayProtein BindingBase SequenceMagnetic Resonance SpectroscopyReactive Oxygen SpeciesMass SpectrometryEscherichia coliDose-Response Relationship, DrugSignal TransductionCatalysisCystathionine gamma-LyaseThermodynamicsMetalsPeroxidasesGasesSpectrometry, Mass, Electrospray Ionization