Raphe NucleiPeptostreptococcusPeptococcusBrain StemThermoreceptorsSerotoninPeriaqueductal GrayReticular FormationMedulla OblongataPhysical StimulationNeuronsEnkephalin, Ala(2)-MePhe(4)-Gly(5)-Periapical AbscessMorphineAfferent PathwaysMicroinjectionsPainRats, Sprague-DawleySuppurationHot TemperatureSpinal CordAnalgesics, OpioidElectric StimulationAction PotentialsSexologyPsychoanalysisTryptophan HydroxylaseBacteria, AnaerobicSerotonergic Neurons8-Hydroxy-2-(di-n-propylamino)tetralinGram-Positive Bacterial InfectionsReceptor, Serotonin, 5-HT1AReceptors, Serotonin, 5-HT1Serotonin Receptor AgonistsProto-Oncogene Proteins c-fosCatsReceptors, SerotoninDental PlaqueAbscessPeriodontitisAutoreceptorsSerotonin AntagonistsRats, Wistar5,7-DihydroxytryptamineSerotonin 5-HT1 Receptor AntagonistsSerotonin 5-HT1 Receptor AgonistsSerotonin AgentsLocus CoeruleusHydroxyindoleacetic AcidSerotonin Plasma Membrane Transport ProteinsReceptors, Corticotropin-Releasing HormoneSpecies SpecificityMicrodialysisReceptor, Serotonin, 5-HT1BMetergolineNeural PathwaysBacterial ProteinsCinanserinAmino Acid Transport Systems, AcidicVesicular Glutamate Transport ProteinsSerotonin Uptake Inhibitors5,6-Dihydroxytryptamine