title: Evidence for enkephalin immunoreactive neurons in the medulla oblongata projecting to the spinal cord.
mesh_terms: D000818:Animals; D004525:Efferent Pathways / Q000378:metabolism; D004723:Endorphins / Q000378:metabolism*; D004745:Enkephalins / Q000378:metabolism*; D005455:Fluorescent Antibody Technique; D008297:Male; D008526:Medulla Oblongata / Q000378:metabolism*; D051381:Rats; D013116:Spinal Cord / Q000378:metabolism*
chemical_list: D004723:Endorphins; D004745:Enkephalins