title: The fine structure of the epicuticular particles of Enchytraesus fragmentosus.
mesh_terms: D000845:Annelida / Q000166:cytology*; D003594:Cytoplasmic Granules; D003851:Deoxyribonucleases; D008854:Microscopy, Electron; D010434:Pepsin A; D012260:Ribonucleases; D014357:Trypsin
chemical_list: D003851:Deoxyribonucleases; D012260:Ribonucleases; D014357:Trypsin; D010434:Pepsin A