Gastric AcidAmmoniaPentagastrinGastric JuiceGastrinsGastric MucosaAcid-Base EquilibriumHydrogen-Ion ConcentrationGastric Acidity DeterminationParietal Cells, GastricAcid-Base ImbalanceBase PairingStomachBase SequenceAchlorhydriaBethanechol CompoundsSecretory RateHistamine H2 AntagonistsPeptonesHistamineDuodenal UlcerCimetidineKineticsAnti-Ulcer AgentsVagotomyOmeprazoleCytosineVagotomy, Proximal GastricBicarbonatesNucleic AcidsGuanineFamotidineHydrochloric AcidStomach UlcerH(+)-K(+)-Exchanging ATPaseAcidosisCarbocysteineVagus NerveTetragastrinAlkalosisAntacids2-PyridinylmethylsulfinylbenzimidazolesAcidsMetiamideThermodynamicsCatalysisProton Pump InhibitorsModels, MolecularAmmonium ChlorideGastric FistulaAminopyrineHydrogen BondingMolecular Sequence DataAlkaliesPurinesBinding SitesAdenineZollinger-Ellison SyndromeBethanecholSomatostatinModels, ChemicalRanitidinePepsin ASecretinGastric EmptyingEnterochromaffin-like CellsAlkalosis, RespiratoryRabeprazoleDNA, B-FormUreaBenzoxepinsDuodenumDNASodium BicarbonateGasesPyloric AntrumMagnetic Resonance SpectroscopyNitrosomonasLansoprazoleXanthopterinNucleic Acid ConformationCrystallography, X-RayAmino Acid SequenceFoodEducation, VeterinaryPylorusNitrogenCarbamoyl-Phosphate Synthase (Ammonia)Gastrin-Secreting CellsProtein ConformationHypermediaProtein BindingUracilSchiff BasesTemperatureSkull BaseBase CompositionEscherichia coliStomach DiseasesSpectrophotometry, Ultraviolet