Mast CellsCell Degranulationp-Methoxy-N-methylphenethylamineHistamine ReleaseAnaphylaxisPassive Cutaneous AnaphylaxisImmunoglobulin EReceptors, IgECromolyn Sodiumbeta-N-AcetylhexosaminidasesTryptasesHistamineCytoplasmic GranulesKetotifenChymasesAnti-Allergic AgentsNorbornanesComplement C3aEdemaBasophilsHistamine AntagonistsMastocytosisGliotoxinSkinUrticariaHypersensitivityCapillary PermeabilityPyrilamineAllergensSubstance PStreptomycetaceaeConjunctivitis, AllergicVenulesReceptors, Prostaglandin E, EP1 SubtypeCells, CulturedMice, Inbred C57BLReceptors, Prostaglandin E, EP3 SubtypeOvalbuminMethysergidePeritoneal CavityDermatitisEosinophilsSerine EndopeptidasesNeutrophilsMice, KnockoutPhospholipase C gammaCalciumReceptors, NeurotensinAntigensReaginsMice, Inbred BALB CBone Marrow CellsCell CountExocytosisHypersensitivity, ImmediateReceptor, PAR-2Signal Transduction