Gastric AcidPentagastrinGastric JuiceGastrinsTemperatureGastric MucosaHydrogen-Ion ConcentrationKineticsAcid-Base EquilibriumThermodynamicsGastric Acidity DeterminationParietal Cells, GastricAcid-Base ImbalanceBase PairingAchlorhydriaStomachBethanechol CompoundsBase SequenceSecretory RateHistamine H2 AntagonistsPeptonesHistamineDuodenal UlcerCimetidineAnti-Ulcer AgentsVagotomyOmeprazoleCytosineVagotomy, Proximal GastricNucleic AcidsGuanineFamotidineCatalysisBicarbonatesModels, ChemicalStomach UlcerH(+)-K(+)-Exchanging ATPaseHydrochloric AcidCarbocysteineHot TemperatureVagus NerveModels, MolecularTetragastrinBinding SitesAntacids2-PyridinylmethylsulfinylbenzimidazolesMetiamideProton Pump InhibitorsProtein ConformationGastric FistulaAlkalosisAminopyrineWaterMolecular Sequence DataHydrogen BondingAcidsPurinesAcidosisZollinger-Ellison SyndromeAdenineBethanecholSomatostatinAlkaliesRanitidinePepsin ASecretinGastric EmptyingEnterochromaffin-like CellsAlkalosis, RespiratoryMathematicsRabeprazoleMagnetic Resonance SpectroscopyProtonsProtein BindingDNA, B-FormBenzoxepinsSpectrophotometry, UltravioletAmino Acid SequenceHydrogenSubstrate SpecificityDNAPyloric AntrumEscherichia coliDuodenumLansoprazoleXanthopterinNucleic Acid ConformationFoodTime FactorsEducation, VeterinarySodium BicarbonatePylorusGastrin-Secreting CellsProtein DenaturationHypermediaRats, Inbred StrainsUracilSchiff BasesSpectrometry, FluorescenceSkull Base