Hydrogen-Ion ConcentrationGastric Acidity DeterminationAcid-Base EquilibriumCarbon DioxideBicarbonatesHydrogenHydrogen BondingHydrogen PeroxidePotassiumSodiumHydrogen SulfideProtonsCalciumBuffersAcidosisChloridesIon ChannelsIonsHydrochloric AcidKineticsAcidosis, RespiratoryOsmolar ConcentrationGastric JuiceMagnesiumMembrane PotentialsAcetazolamideAcidosis, Renal TubularAlkalosis, RespiratoryIon TransportPartial PressureAmmonium ChlorideBiological Transport, ActiveSecretory RateCell Membrane PermeabilityExtracellular SpaceWaterHelix (Snails)TurtlesPotassium ChlorideSodium BicarbonateTemperatureSodium ChlorideElectrophysiologyModels, BiologicalTime FactorsMetalsOxygenCations, MonovalentModels, ChemicalPhosphatesIon Channel GatingModels, MolecularCationsAcidsDogsHypercapniaLactatesElectric ConductivityIon-Selective ElectrodesCobaltAmilorideSodium-Hydrogen AntiporterCations, DivalentAequorinGastric MucosaPentagastrinDinitrophenolsBiological TransportBinding SitesIonophoresSolutionsGastric AcidSulfatesThermodynamicsManganeseMathematicsMolecular Sequence DataEndolymphElectrochemistryZincQuaternary Ammonium CompoundsProtein ConformationLasalocidNeuronsDepression, ChemicalOxidation-ReductionGramicidinCatsHydrogen CyanideMagnetic Resonance SpectroscopyChromiumStrontiumRats, Inbred StrainsAbsorptionEnzymesCalcium ChlorideOsmosisBody FluidsChelating AgentsPotassium Isotopes