title: An electron-microscope study of the intranucleolar chromatin in root meristematic cells of Allium cepa.
mesh_terms: D002466:Cell Nucleolus / Q000648:ultrastructure*; D002843:Chromatin / Q000648:ultrastructure*; D008854:Microscopy, Electron; D008938:Mitosis; D010944:Plants / Q000648:ultrastructure*; D011487:Protein Conformation
chemical_list: D002843:Chromatin