Receptors, SerotoninEvodiaSerotonin AntagonistsSerotoninMethysergideKetanserinLysergic Acid DiethylamideMethiothepinSerotonin Receptor AgonistsReceptor, Serotonin, 5-HT2ASerotonergic NeuronsInterleukin 1 Receptor Antagonist ProteinRaphe NucleiNeurokinin-1 Receptor AntagonistsRats, Sprague-DawleySerotonin AgentsSerotonin 5-HT2 Receptor AntagonistsSerotonin 5-HT3 Receptor AntagonistsTryptophan HydroxylasePurinergic P1 Receptor AntagonistsDose-Response Relationship, DrugPiperidinesHistamine H2 AntagonistsExcitatory Amino Acid AntagonistsDopamine Antagonists8-Hydroxy-2-(di-n-propylamino)tetralinAngiotensin Receptor AntagonistsAdenosine A2 Receptor AntagonistsHormone AntagonistsReceptor, Serotonin, 5-HT1ASerotonin 5-HT1 Receptor AntagonistsRats, WistarAdenosine A1 Receptor AntagonistsNarcotic AntagonistsPurinergic P2 Receptor AntagonistsHistamine H1 AntagonistsReceptors, Serotonin, 5-HT1NeuronsReceptors, EndothelinGABA AntagonistsGABA-A Receptor AntagonistsMuscarinic AntagonistsBehavior, AnimalSerotonin Plasma Membrane Transport ProteinsHistamine Antagonists5,7-DihydroxytryptamineReceptors, N-Methyl-D-AspartateSerotonin Uptake InhibitorsSialoglycoproteinsLeukotriene AntagonistsReceptor, Endothelin ADizocilpine MaleatePiperazinesReceptor, Serotonin, 5-HT1BPyridinesDrug InteractionsBiphenyl CompoundsReceptors, Interleukin-1BenzazepinesNicotinic AntagonistsReceptors, Serotonin, 5-HT2Adrenergic alpha-2 Receptor AntagonistsTetrazolesAdrenergic alpha-1 Receptor AntagonistsSerotonin 5-HT1 Receptor AgonistsDopamineRadioligand AssaySerotonin 5-HT4 Receptor AntagonistsXanthinesSynaptic TransmissionFenfluramineGuinea PigsIndolesSubstance PElectric StimulationPyrazolesHistamine H3 AntagonistsHydroxyindoleacetic AcidSulfonamidesReceptor, Serotonin, 5-HT2CReceptors, Neurokinin-1Peptides, CyclicReceptors, Serotonin, 5-HT3BrainRitanserinFluoxetineAdrenergic alpha-AntagonistsTime FactorsInjections, IntraventricularFenclonineNaloxoneLosartanGABA-B Receptor AntagonistsMicrodialysis5-HydroxytryptophanDisease Models, AnimalReceptors, BradykininReceptors, Dopamine D2CimetidineReceptor, Serotonin, 5-HT2B