title: Enkephalin and substance P containing neurones in the trigeminal and extrapyramidal systems.
mesh_terms: D000818:Animals; D004723:Endorphins / Q000032:analysis*; D004745:Enkephalins / Q000032:analysis*; D005116:Extrapyramidal Tracts / Q000032:analysis* / Q000166:cytology; D006651:Histocytochemistry; D007120:Immunochemistry; D008297:Male; D008526:Medulla Oblongata / Q000032:analysis / Q000166:cytology; D009474:Neurons / Q000032:analysis*; D051381:Rats; D013373:Substance P / Q000032:analysis*; D014276:Trigeminal Nerve / Q000032:analysis* / Q000166:cytology
chemical_list: D004723:Endorphins; D004745:Enkephalins; D013373:Substance P