Cannabinoid Receptor AgonistsReceptors, CannabinoidCannabinolReceptor, Cannabinoid, CB1CannabinoidsReceptor, Cannabinoid, CB2BenzoxazinesCyclohexanolsNaphthalenesCannabinoid Receptor AntagonistsDronabinolCannabinoid Receptor ModulatorsReceptors, DrugMorpholinesEndocannabinoidsPyrazolesPolyunsaturated AlkamidesPiperidinesBornanesArachidonic AcidsAnalgesicsGlyceridesDose-Response Relationship, DrugAmidohydrolasesRats, Sprague-DawleyCannabidiolPainCalcium Channel BlockersRats, WistarDrug InteractionsSynaptic TransmissionMonoacylglycerol LipasesPurinergic P1 Receptor AgonistsSerotonin Receptor AgonistsMice, Inbred C57BLSignal TransductionNeuronsPain MeasurementDopamine AgonistsCells, CulturedDisease Models, AnimalSerotonin 5-HT1 Receptor AgonistsCannabisSerotonin 5-HT2 Receptor AgonistsLigandsAdenosine A1 Receptor AgonistsIndolesRadioligand AssayReceptors, Opioid, muNarcotic AntagonistsReceptors, Opioid, kappaGuanosine 5'-O-(3-Thiotriphosphate)Behavior, AnimalCHO CellsMice, KnockoutDopamine AntagonistsExcitatory Amino Acid AntagonistsGABA AgonistsAdenosine A2 Receptor AgonistsGABA-A Receptor AgonistsBinding, CompetitiveGABA-B Receptor AgonistsReceptors, OpioidBrainHippocampusCricetinaeReceptors, Dopamine D2Serotonin 5-HT4 Receptor AgonistsDrug Inverse AgonismCyclic AMPPurinergic P2 Receptor AgonistsCapsaicinAdrenergic alpha-2 Receptor AgonistsTRPV Cation ChannelsEnkephalin, Ala(2)-MePhe(4)-Gly(5)-Receptors, G-Protein-CoupledPurinergic P1 Receptor AntagonistsEthanolaminesCarbamatesAdenosinegamma-Aminobutyric AcidExcitatory Amino Acid AgonistsHistamine AgonistsHormone AntagonistsCalciumMotor ActivityNeurokinin-1 Receptor AntagonistsMuscarinic AgonistsTime FactorsBenzodioxolesRNA, MessengerPatch-Clamp TechniquesPertussis ToxinResorcinolsGABA AntagonistsElectric StimulationMice, Inbred ICRCell LineGlutamic AcidHyperalgesia