title: The nucleolar structure.
mesh_terms: D000241:Adenosine / Q000494:pharmacology; D000818:Animals; D002458:Cell Fractionation; D002466:Cell Nucleolus / Q000187:drug effects / Q000378:metabolism / Q000648:ultrastructure*; D002843:Chromatin / Q000648:ultrastructure; D002875:Chromosomes / Q000648:ultrastructure; D004247:DNA / Q000032:analysis; D003609:Dactinomycin / Q000494:pharmacology; D056890:Eukaryota / Q000648:ultrastructure; D005658:Fungi / Q000648:ultrastructure; D005796:Genes; D006570:Heterochromatin / Q000378:metabolism; D006801:Humans; D008938:Mitosis; D010944:Plants / Q000648:ultrastructure; D012313:RNA / Q000096:biosynthesis
chemical_list: D002843:Chromatin; D006570:Heterochromatin; D003609:Dactinomycin; D012313:RNA; D004247:DNA; D000241:Adenosine