KetamineExcitatory Amino Acid AntagonistsAnesthetics, DissociativeReceptors, N-Methyl-D-AspartateGlutamic AcidKynurenic AcidDizocilpine MaleateDibenzocycloheptenesQuinoxalinesReceptors, GlutamatePipecolic AcidsGlutamatesRats, Sprague-DawleyReceptors, Metabotropic GlutamateGlutamate DehydrogenaseSodium GlutamateAmino Acid Transport System X-AGGlutamate SynthaseReceptor, Metabotropic Glutamate 5Dose-Response Relationship, DrugGlutamate Plasma Membrane Transport ProteinsHormone AntagonistsExcitatory Amino Acid AgonistsDopamine AntagonistsVesicular Glutamate Transport ProteinsAnalgesicsReceptors, AMPANeuronsXylazineExcitatory Amino Acid Transporter 2Narcotic AntagonistsRats, WistarN-MethylaspartateGABA AntagonistsVesicular Glutamate Transport Protein 2Neurokinin-1 Receptor AntagonistsSynaptic Transmission