Dopamine AgonistsDose-Response Relationship, DrugPurinergic P1 Receptor AgonistsRats, Sprague-DawleyPiperidinesNeurokinin-1 Receptor AntagonistsReceptors, TachykininDopamine AntagonistsNarcotic AntagonistsRadioligand AssayExcitatory Amino Acid AntagonistsHormone AntagonistsGABA AgonistsNeurokinin APurinergic P1 Receptor AntagonistsTachykininsReceptors, Neurokinin-2Rats, WistarReceptors, Opioid, deltaReceptors, Prostaglandin EAdrenergic beta-AgonistsNicotinic AgonistsReceptors, Purinergic P1Receptors, Opioid, kappaAdenosinePurinergic P2 Receptor AgonistsMuscarinic AgonistsAdrenergic alpha-AgonistsReceptors, Opioid, muGABA AntagonistsHistamine AgonistsSubstance PGuinea PigsAdenosine A3 Receptor AgonistsExcitatory Amino Acid AgonistsReceptors, OpioidReceptor, Cannabinoid, CB2Histamine H2 AntagonistsAdenosine-5'-(N-ethylcarboxamide)Muscarinic AntagonistsNicotinic AntagonistsReceptors, Neurokinin-1PhenethylaminesPyrrolidinesBinding, CompetitivePurinergic P2 Receptor AntagonistsCells, CulturedCannabinoidsLigandsInterleukin 1 Receptor Antagonist ProteinCannabinoid Receptor AgonistsReceptors, Dopamine D2Receptor, Adenosine A2AGABA-A Receptor AgonistsAdenosine A1 Receptor AgonistsReceptors, Metabotropic GlutamateCyclic AMPReceptors, Neurokinin-3CalciumTetrahydronaphthalenesEnkephalin, Ala(2)-MePhe(4)-Gly(5)-Receptor, Adenosine A3Neurokinin BAdrenergic beta-3 Receptor AgonistsAdrenergic alpha-AntagonistsCHO CellsReceptors, Adrenergic, beta-3BenzazepinesHistamine AntagonistsHistamine H1 AntagonistsIndolesSignal TransductionAdrenergic beta-1 Receptor AgonistsAdrenergic alpha-1 Receptor AgonistsPyridinesReceptors, SerotoninAdenosine A2 Receptor AntagonistsReceptors, Prostaglandin E, EP4 SubtypeDrug InteractionsAdrenergic AgonistsMuscle ContractionSerotoninReceptors, NeurotransmitterCricetinaeReceptor, Adenosine A1Receptors, Adrenergic, betaReceptors, EndothelinAdrenergic alpha-2 Receptor AgonistsEnkephalin, D-Penicillamine (2,5)-EnkephalinsPropanolaminesSerotonin 5-HT2 Receptor AgonistsReceptor, Cannabinoid, CB1Receptors, Prostaglandin E, EP2 SubtypeReceptors, G-Protein-CoupledReceptors, Neuropeptide YAdrenergic alpha-1 Receptor AntagonistsReceptors, Dopamine D1NaloxoneNeurons