Cannabinoid Receptor AgonistsReceptors, CannabinoidCannabinolReceptor, Cannabinoid, CB1CannabinoidsReceptor, Cannabinoid, CB2BenzoxazinesCyclohexanolsNaphthalenesCannabinoid Receptor AntagonistsDronabinolCannabinoid Receptor ModulatorsReceptors, DrugMorpholinesEndocannabinoidsPyrazolesPiperidinesPolyunsaturated AlkamidesBornanesArachidonic AcidsAnalgesicsDrug Inverse AgonismGlyceridesDose-Response Relationship, DrugRats, Sprague-DawleyAmidohydrolasesSerotonin 5-HT2 Receptor AgonistsDopamine AgonistsSerotonin Receptor AgonistsCannabidiolPainDrug InteractionsPurinergic P1 Receptor AgonistsRats, WistarLigandsGuanosine 5'-O-(3-Thiotriphosphate)GABA-A Receptor AgonistsCalcium Channel BlockersRadioligand AssayHistamine AgonistsSignal TransductionSynaptic TransmissionMonoacylglycerol LipasesMice, Inbred C57BLGABA AgonistsNeuronsCHO CellsPain MeasurementCells, CulturedSerotonin 5-HT1 Receptor AgonistsReceptors, Opioid, muCarbolinesAdenosine A1 Receptor AgonistsCricetinaeDisease Models, AnimalIndolesSerotonin AntagonistsSerotonin 5-HT2 Receptor AntagonistsCannabisReceptors, Histamine H3Cyclic AMPBehavior, AnimalBinding, CompetitiveReceptors, Dopamine D2Receptors, Opioid, deltaAdrenergic beta-2 Receptor AntagonistsReceptor, Serotonin, 5-HT2CReceptors, G-Protein-CoupledAdrenergic alpha-2 Receptor AgonistsAdenosine A2 Receptor AgonistsReceptors, Opioid, kappaMice, KnockoutPurinergic P2 Receptor AgonistsAdrenergic AgonistsMuscarinic AgonistsGABA-B Receptor AgonistsSerotonin 5-HT4 Receptor AgonistsReceptors, Adrenergic, beta-2Narcotic AntagonistsBrainCricetulusCell LineReceptor, Serotonin, 5-HT2AGTP-Binding ProteinsAdrenergic beta-AgonistsNicotinic AgonistsPertussis ToxinAdrenergic alpha-1 Receptor AgonistsHippocampusReceptors, SerotoninExcitatory Amino Acid AgonistsEnkephalin, Ala(2)-MePhe(4)-Gly(5)-Receptors, GABA-AReceptors, OpioidMotor Activitygamma-Aminobutyric AcidAdenosine A3 Receptor AgonistsHistamine AntagonistsEthanolaminesMethylhistamines