title: Annular structures in isolated nuclei of Physarum polycephalum.
mesh_terms: D002455:Cell Division; D002458:Cell Fractionation; D002467:Cell Nucleus / Q000032:analysis*; D002843:Chromatin / Q000032:analysis; D008854:Microscopy, Electron; D008858:Microscopy, Phase-Contrast; D009235:Myxomycetes / Q000166:cytology*; D013997:Time Factors
chemical_list: D002843:Chromatin