Gastric MucosaStomachStomach NeoplasmsStomach UlcerIntestinal MucosaStomach DiseasesGastritisHelicobacter pyloriHelicobacter InfectionsMouth MucosaGastric JuicePyloric AntrumParietal Cells, GastricGastric AcidMetaplasiaNasal MucosaGastrinsChoristomaGastritis, AtrophicGastroscopyGastric FundusPepsinogensGastric MucinsH(+)-K(+)-Exchanging ATPaseAnti-Ulcer AgentsHydrochloric AcidDuodenumHelicobacterPentagastrinMucous MembraneHistaminePrecancerous ConditionsPylorusImmunohistochemistryBiopsyUreaseCimetidineEthanolRats, WistarIndomethacinColonPepsin AMetiamidePeptic UlcerCathepsin EEsophagusBile RefluxMeckel DiverticulumGastrectomyChief Cells, GastricMucusRe-EpithelializationMucinsTetragastrin16,16-Dimethylprostaglandin E2Gastric FistulaDigestive SystemAdenocarcinomaPepsinogen ADinoprostoneAnti-Inflammatory Agents, Non-SteroidalRats, Inbred StrainsHelicobacter heilmanniiOmeprazoleProstaglandins E, SyntheticDuodenal UlcerHelicobacter felisIntestine, SmallRNA, MessengerGhrelinOlfactory MucosaEndoscopy, GastrointestinalGastrointestinal HemorrhageEsophageal DiseasesGastric StumpEnterochromaffin CellsHistamine H2 AntagonistsHydrogen-Ion ConcentrationLaryngeal MucosaGastritis, HypertrophicSucralfateEnterochromaffin-like CellsRats, Sprague-DawleyDyspepsiaIleumGastric Acidity DeterminationSwineEpitheliumEpithelial CellsGastrointestinal MotilityAchlorhydriaDuodenogastric RefluxAspirinVagotomyBarrett EsophagusStomach RuptureTime FactorsLewis Blood-Group SystemGastrin-Secreting CellsIntestines