Kynurenic AcidReceptors, NicotinicKynureninealpha7 Nicotinic Acetylcholine ReceptorNicotinic AntagonistsQuinolinic AcidNicotinic AgonistsXanthurenatesTransaminasesKynurenine 3-MonooxygenaseNicotineExcitatory Amino Acid AntagonistsAconitineGalantamineBungarotoxinsDihydro-beta-ErythroidineAzocinesAminooxyacetic AcidGlutamic AcidReceptors, Amino AcidDimethylphenylpiperazinium IodideBicyclo Compounds, HeterocyclicQuinolizinesMecamylamineTectum MesencephaliQuinolinic AcidsTryptophanQuisqualic AcidReceptors, GlutamateNootropic AgentsAcetylcholineNeuronsPyometraMedulla OblongataRats, Sprague-DawleyN-MethylaspartateHexamethoniumStrychnineGABA AntagonistsSynaptic TransmissionRats, Wistar2-Amino-5-phosphonovalerateCorpus StriatumReceptors, N-Methyl-D-AspartateBicucullineCholinergic AgentsGanglionic StimulantsAnabasineIbotenic Acidortho-AminobenzoatesDose-Response Relationship, DrugQuinoxalinesConotoxinsMicroinjectionsPatch-Clamp TechniquesNiacinHippocampusElectric StimulationDopamineReceptors, NeurotransmitterMicrodialysisgamma-Aminobutyric AcidBrainElectrophysiologyGlutamatesGlycineLyasesPyridinesDizocilpine MaleateExcitatory Amino Acid AgonistsKainic AcidMembrane Potentials