Gastric MucosaParietal Cells, GastricStomach UlcerGastric MucinsGefarnate16,16-Dimethylprostaglandin E2Cathepsin EGastric AcidStomachHydrochloric AcidPentagastrinRats, Inbred StrainsAnti-Ulcer AgentsGastrinsRats, WistarIntestinal MucosaIndomethacinEthanolGastritisHistamineRats, Sprague-DawleyHelicobacter pyloriMouth MucosaHelicobacter InfectionsAspirinDinoprostoneStomach DiseasesImmunohistochemistryStomach NeoplasmsGastric JuiceMetaplasiaNasal MucosaPyloric AntrumChoristomaGastritis, AtrophicPepsinogensH(+)-K(+)-Exchanging ATPaseGastroscopyHelicobacterMucous MembraneGastric FundusDuodenumPrecancerous ConditionsMeckel DiverticulumBiopsyRe-EpithelializationUreaseMucusCimetidinePeptic UlcerPepsin ABile RefluxColonDuodenal UlcerTetragastrinMetiamideMucinsOlfactory Mucosa