KynurenineKynurenic AcidIndoleamine-Pyrrole 2,3,-DioxygenaseKynurenine 3-MonooxygenaseTryptophanQuinolinic AcidTransaminasesTryptophan OxygenaseXanthurenatesExcitatory Amino Acid Antagonistsortho-AminobenzoatesArylformamidaseTryptophan Synthase3-Hydroxyanthranilic AcidAminooxyacetic Acidalpha7 Nicotinic Acetylcholine ReceptorGlutamic AcidTryptophan HydroxylaseReceptors, Amino AcidQuinolinic AcidsGalantamineQuisqualic AcidNiacinReceptors, GlutamateLyasesNootropic AgentsTectum Mesencephali2-Aminoadipate TransaminasePyometraN-MethylaspartateMedulla OblongataPyridoxal PhosphateStrychnineRats, WistarGABA AntagonistsIbotenic Acid2-Amino-5-phosphonovalerateReceptors, N-Methyl-D-Aspartate