title: The structure and behavior of the nucleolus organizer in mammalian cells.
mesh_terms: D000818:Animals; D002335:Carnivora; D002466:Cell Nucleolus; D002875:Chromosomes; D006224:Cricetinae; D003670:Deer; D000882:Haplorhini; D007621:Karyotyping; D008854:Microscopy, Electron; D008858:Microscopy, Phase-Contrast; D008938:Mitosis; D012313:RNA / Q000096:biosynthesis; D012377:Rodentia; D012589:Sciuridae
chemical_list: D012313:RNA