title: Opioid peptide precursors in striatum.
mesh_terms: D000818:Animals; D003342:Corpus Striatum / Q000378:metabolism*; D004723:Endorphins / Q000378:metabolism*; D004745:Enkephalins / Q000378:metabolism*; D006168:Guinea Pigs; D008297:Male; D008970:Molecular Weight; D011498:Protein Precursors / Q000378:metabolism*
chemical_list: D004723:Endorphins; D004745:Enkephalins; D011498:Protein Precursors