Receptor, Cannabinoid, CB1Receptor, Cannabinoid, CB2Receptors, CannabinoidCannabinoidsCannabinoid Receptor ModulatorsCannabinoid Receptor AgonistsCyclohexanolsEndocannabinoidsPyrazolesDronabinolReceptors, DrugBenzoxazinesBornanesCannabinoid Receptor AntagonistsPolyunsaturated AlkamidesPiperidinesNaphthalenesArachidonic AcidsMorpholinesGlyceridesCannabidiolAmidohydrolasesMonoacylglycerol LipasesCannabinolAnalgesicsCannabisDrug Inverse AgonismDose-Response Relationship, DrugRats, Sprague-DawleyMice, Inbred C57BLCarbamatesGuanosine 5'-O-(3-Thiotriphosphate)HallucinogensTRPV Cation ChannelsIndolesLigandsRats, WistarBehavior, AnimalMice, KnockoutCalcium Channel BlockersNeuronsBrainSelf AdministrationCapsaicinSignal TransductionCHO CellsEthanolaminesMice, Inbred ICRRadioligand AssayCroton OilHippocampusSynaptic TransmissionHyperalgesiaDrug ToleranceAnalgesics, Non-NarcoticPainBenzodioxolesAnisolesDrug InteractionsReceptors, Opioid, muMarijuana AbusePsychotropic DrugsPalmitic AcidsCricetinaePeriaqueductal GrayMotor ActivityDisease Models, AnimalPresynaptic TerminalsCerebellumConditioning, OperantPyransHeroinSubstance Withdrawal SyndromeResorcinolsCorpus Striatumgamma-Aminobutyric AcidCyclohexanesGastrointestinal MotilityReceptors, G-Protein-CoupledNeuralgiaPain MeasurementTime FactorsCells, CulturedCatalepsyExcitatory Postsynaptic PotentialsCyclic AMPNeural InhibitionPatch-Clamp TechniquesCricetulusAmygdalaInhibitory Postsynaptic PotentialsPain ThresholdEnkephalin, Ala(2)-MePhe(4)-Gly(5)-RNA, MessengerPertussis ToxinMorphineElectric StimulationMarijuana SmokingHypothermiaGlutamic Acid