Hydrogen-Ion ConcentrationGastric Acidity DeterminationAcid-Base EquilibriumCarbon DioxideBicarbonatesHydrogenTemperatureHydrogen BondingHydrogen PeroxideBody TemperatureHot TemperaturePotassiumSodiumHydrogen SulfideCold TemperatureProtonsCalciumBuffersAcidosisKineticsChloridesIonsIon ChannelsHydrochloric AcidOsmolar ConcentrationAcidosis, RespiratorySkin TemperatureMagnesiumGastric JuiceBody Temperature RegulationMembrane PotentialsWaterAcetazolamideAcidosis, Renal TubularTime FactorsPartial PressureBiological Transport, ActiveAlkalosis, RespiratoryIon TransportAmmonium ChlorideCell Membrane PermeabilitySecretory RateSodium ChlorideExtracellular SpaceModels, BiologicalTurtlesThermodynamicsPotassium ChlorideHelix (Snails)Models, ChemicalOxygenSodium BicarbonateMetalsElectrophysiologyModels, MolecularPhosphatesCations, MonovalentMolecular Sequence DataIon Channel GatingCationsAcidsDogsSolutionsElectric ConductivityLactatesProtein ConformationHypercapniaCations, DivalentCobaltIon-Selective ElectrodesBinding SitesAmilorideMathematicsSodium-Hydrogen AntiporterThermometersBiological TransportDinitrophenolsEscherichia coliMagnetic Resonance SpectroscopyAequorinGastric MucosaThermographyOxidation-ReductionManganeseSulfatesPentagastrinAmino Acid SequenceQuaternary Ammonium CompoundsElectrochemistryIonophoresZincGastric AcidMutationCulture MediaEnzymesEndolymphNeuronsNucleic Acid ConformationCattleDepression, Chemical