title: Intranuclear filament bundles in the intestinal epithelium of the oligochete Dero obtusa.
mesh_terms: D000818:Animals; D000845:Annelida / Q000166:cytology*; D002467:Cell Nucleus; D004847:Epithelial Cells; D006652:Histological Techniques; D007422:Intestines / Q000166:cytology*; D008854:Microscopy, Electron