Hydrogen-Ion ConcentrationGastric Acidity DeterminationAcid-Base EquilibriumCarbon DioxideBicarbonatesHydrogenHydrogen BondingHydrogen PeroxidePotassiumSodiumGastric AcidHydrogen SulfideProtonsBuffersGastric JuiceCalciumAcidosisHydrochloric AcidAcidsChloridesIonsIon ChannelsKineticsAcidosis, RespiratoryOsmolar ConcentrationMagnesiumMembrane PotentialsAmmonium ChlorideAcetazolamideAcidosis, Renal TubularAlkalosis, RespiratorySecretory RateWaterIon TransportPartial PressureBiological Transport, ActiveExtracellular SpaceSodium BicarbonateCell Membrane PermeabilityTime FactorsHelix (Snails)TemperaturePotassium ChlorideTurtlesGastric MucosaMetalsSodium ChlorideModels, BiologicalOxygenModels, ChemicalElectrophysiologyPhosphatesModels, MolecularCations, MonovalentIon-Selective ElectrodesPentagastrinAnti-Ulcer AgentsIon Channel GatingRanitidineCationsLactates2-PyridinylmethylsulfinylbenzimidazolesRabeprazoleSodium-Hydrogen AntiporterHypercapniaOmeprazoleThermodynamicsDogsAmilorideElectric ConductivityCobaltCations, DivalentSolutionsBiological TransportAequorinSulfatesElectrochemistryBinding SitesFamotidineQuaternary Ammonium CompoundsDinitrophenolsAchlorhydriaGastrinsMolecular Sequence DataPasteurizationPotentiometryAbsorptionMagnetic Resonance SpectroscopyHistamine H2 AntagonistsIonophoresProtein ConformationManganeseOxidation-ReductionEndolymphMathematicsLasalocidZincStatic ElectricityCalcium CarbonateGramicidin