title: Opioid peptides and precursors in the adrenal medulla.
mesh_terms: D000313:Adrenal Medulla / Q000378:metabolism*; D000596:Amino Acids / Q000032:analysis; D000818:Animals; D002417:Cattle; D002837:Chromaffin Granules / Q000032:analysis; D004723:Endorphins / Q000378:metabolism*; D004745:Enkephalins / Q000378:metabolism; D006868:Hydrolysis; D066298:In Vitro Techniques; D011869:Radioligand Assay; D014357:Trypsin
chemical_list: D000596:Amino Acids; D004723:Endorphins; D004745:Enkephalins; D014357:Trypsin