Mast CellsChymasesNippostrongylusThioxanthenesTrichinella spiralisNematode InfectionsTrichinellosisIntestinal MucosaCell DegranulationStrongyloidesStrongylida InfectionsKetotifenSerine EndopeptidasesJejunumTryptasesMastocytosisHistamine ReleaseAnaphylaxisMucous MembraneCell CountStrongyloidiasisImmunoglobulin EXanthonesConnective Tissue CellsReceptors, IgECromolyn SodiumParasite Egg Countbeta-N-AcetylhexosaminidasesIntestinal Diseases, ParasiticHistamineCytoplasmic GranulesConnective TissueEsterasesIntestine, SmallInterleukin-3Immunity, MucosalRats, Inbred StrainsBone Marrow CellsHistocytochemistryMice, Inbred BALB Cp-Methoxy-N-methylphenethylamineGastric MucosaEndopeptidasesCells, CulturedPeptide HydrolasesRats, Inbred LewRats, WistarProto-Oncogene Proteins c-kitMastocytosis, SystemicStem Cell FactorPeritoneal CavityPassive Cutaneous AnaphylaxisLeukemia, Mast-CellBasophilsCarboxypeptidases AMicroscopy, ElectronSkinMast-Cell SarcomaTolonium ChlorideHypersensitivityMastocytoma