Gastric AcidHistamineReceptors, Histamine H3Receptors, Histamine H1PentagastrinReceptors, Histamine H2GastrinsGastric JuiceHistamine H2 AntagonistsHistamine H1 AntagonistsGastric MucosaHistamine AntagonistsHistamine AgonistsParietal Cells, GastricReceptors, HistamineCimetidineBethanechol CompoundsHistamine H3 AntagonistsStomachHistamine ReleaseSecretory RateMetiamideGastric Acidity DeterminationAchlorhydriaFamotidineMethylhistaminesPeptonesAminopyrineDuodenal UlcerVagotomyH(+)-K(+)-Exchanging ATPaseOmeprazoleGastric FistulaAnti-Ulcer AgentsRanitidineVagotomy, Proximal GastricStomach UlcerVagus NerveBethanecholTetragastrinHistidine DecarboxylaseThioureaChlorpheniramineSomatostatinDimapritBenzoxepinsEnterochromaffin-like CellsDose-Response Relationship, DrugDoxepinHydrochloric AcidBurimamide2-PyridinylmethylsulfinylbenzimidazolesGastric EmptyingProton Pump InhibitorsPyrilamineEnterochromaffin CellsReceptors, CholecystokininSecretinPylorusBenzodiazepinonesStimulation, ChemicalHydrogen-Ion ConcentrationAtropinePyloric AntrumInjections, IntraventricularRats, Inbred StrainsDepression, ChemicalGastrin-Secreting CellsZollinger-Ellison SyndromeDuodenumFoodBenzimidazolesPiperidinesImpromidineIndomethacinGuinea PigsPepsin ADevazepideReceptor, Cholecystokinin BDogsLansoprazoleGastric FundusStomach DiseasesEpirizoleGuanidinesRats, Sprague-DawleyCarbacholBombesinDiphenhydramineCholecystokininGastrointestinal HormonesRabeprazoleRats, WistarChlorisondamineHistamine N-MethyltransferaseHistamine AgentsGastritisPeptic UlcerAntacidsProglumide