title: Intranuclear microtubule organizing center in early prophase nuclei of the plasmodium of the slime mold, Physarum polycephalum.
mesh_terms: D002466:Cell Nucleolus; D002467:Cell Nucleus; D002875:Chromosomes; D008854:Microscopy, Electron; D008870:Microtubules; D008938:Mitosis; D009235:Myxomycetes / Q000166:cytology*