Calcium PhosphatesHydrogen-Ion ConcentrationGastric Acidity DeterminationAcid-Base EquilibriumCarbon DioxideBicarbonatesHydrogenHydrogen BondingHydrogen PeroxideCalcium SignalingPotassiumSodiumHydrogen SulfideProtonsCalcium ChannelsBuffersCalciumAcidosisIon ChannelsChloridesIonsKineticsCalcium, DietaryMagnesiumMembrane PotentialsHydrochloric AcidOsmolar ConcentrationAcidosis, RespiratoryGastric JuiceCalcium CarbonateCalcium ChlorideIon TransportBiological Transport, ActiveCell Membrane PermeabilityAcetazolamideAcidosis, Renal TubularAmmonium ChlorideExtracellular SpaceAlkalosis, RespiratoryPartial PressureSecretory RateTime FactorsPotassium ChlorideElectrophysiologyWaterHelix (Snails)Models, BiologicalTurtlesCalcium IsotopesTemperatureIon Channel GatingSodium ChlorideSodium BicarbonateEgtazic AcidMetalsCations, MonovalentAequorinOxygenModels, ChemicalModels, MolecularCationsChelating AgentsElectric ConductivityIonophoresCations, DivalentPhosphatesDogsCalcium Channels, L-TypeAcidsFura-2NeuronsStrontiumBiological TransportCalcium OxalateLactatesIon-Selective ElectrodesCells, CulturedMolecular Sequence DataAmilorideSodium-Hydrogen AntiporterBinding SitesHypercapniaCalcium GluconateDinitrophenolsFluorescent DyesIntracellular FluidCobaltLasalocidManganeseGastric MucosaRats, Inbred StrainsCalcium RadioisotopesAbsorptionZincPentagastrinDose-Response Relationship, DrugMathematicsAdenosine TriphosphateProtein ConformationSolutions