Gastric AcidPentagastrinGastric JuiceGastrinsGastric MucosaAcid-Base EquilibriumGastric Acidity DeterminationHydrogen-Ion ConcentrationParietal Cells, GastricAcid-Base ImbalanceBase PairingBase SequenceAchlorhydriaStomachBethanechol CompoundsSecretory RateHistamine H2 AntagonistsPeptonesHistamineDuodenal UlcerKineticsCimetidineAnti-Ulcer AgentsVagotomyOmeprazoleCytosineVagotomy, Proximal GastricNucleic AcidsBicarbonatesGuanineFamotidineH(+)-K(+)-Exchanging ATPaseStomach UlcerHydrochloric AcidCarbocysteineVagus NerveModels, MolecularThermodynamicsIon ChannelsTetragastrinAntacids2-PyridinylmethylsulfinylbenzimidazolesMetiamideProton Pump InhibitorsCatalysisAlkalosisGastric FistulaAminopyrineBinding SitesHydrogen BondingMolecular Sequence DataAcidsAcidosisPurinesModels, ChemicalAdenineZollinger-Ellison SyndromeAlkaliesBethanecholSomatostatinPepsin ARanitidineSecretinGastric EmptyingAlkalosis, RespiratoryEnterochromaffin-like CellsRabeprazoleDNA, B-FormDNAAmino Acid SequenceBenzoxepinsNucleic Acid ConformationProtein ConformationPyloric AntrumMagnetic Resonance SpectroscopyProtein BindingDuodenumCrystallography, X-RayLansoprazoleGasesXanthopterinFoodSodium BicarbonateEducation, VeterinaryPylorusSchiff BasesGastrin-Secreting CellsUracilHypermediaProtonsSkull BaseBase CompositionIon Channel GatingSpectrophotometry, UltravioletTemperatureNucleic Acid DenaturationWaterIon TransportEscherichia coliBenzimidazoles