Receptors, CannabinoidReceptor, Cannabinoid, CB1Receptor, Cannabinoid, CB2CannabisCannabinoid Receptor AgonistsCannabinoidsCannabinoid Receptor ModulatorsCannabinoid Receptor AntagonistsDronabinolEndocannabinoidsCyclohexanolsBenzoxazinesPolyunsaturated AlkamidesPyrazolesNaphthalenesReceptors, DrugPiperidinesMarijuana AbuseArachidonic AcidsMorpholinesBornanesCannabidiolGlyceridesMarijuana SmokingCannabinolAmidohydrolasesMonoacylglycerol LipasesAnalgesicsDose-Response Relationship, DrugRats, Sprague-DawleyHallucinogensLigandsSubstance Withdrawal SyndromePsychoses, Substance-InducedCalcium Channel BlockersCarbamatesGuanosine 5'-O-(3-Thiotriphosphate)IndolesMice, KnockoutMice, Inbred C57BLBenzodioxolesPsychotropic DrugsDrug Inverse AgonismBrainSignal TransductionRats, WistarTRPV Cation ChannelsDrug ToleranceCHO CellsEthanolaminesNeuronsHippocampusCyclohexanesResorcinolsRadioligand AssaySynaptic TransmissionBehavior, AnimalAnalgesics, Non-NarcoticMice, Inbred ICRSubstance Abuse DetectionCerebellumStreet DrugsPainCapsaicinHyperalgesiaDrug InteractionsCricetinaePresynaptic TerminalsPertussis ToxinSubstance-Related DisordersPalmitic AcidsMedical MarijuanaHeroinPhenylmethylsulfonyl FluorideTime FactorsBinding, CompetitiveDisease Models, AnimalReceptors, G-Protein-CoupledGTP-Binding Protein alpha Subunits, Gi-GoNeural InhibitionExcitatory Postsynaptic PotentialsCells, CulturedReceptors, Opioid, muSelf Administrationgamma-Aminobutyric AcidNeuralgiaLimbic SystemMotor ActivityPatch-Clamp TechniquesRNA, MessengerDesigner DrugsAnalysis of VarianceAnisolesCyclic AMPPain MeasurementPeriaqueductal GrayColforsinCricetulusGlutamic AcidAmygdala