title: Perichromatin fibrils as components of rapidly labeled extranucleolar RNA.
mesh_terms: D000818:Animals; D002466:Cell Nucleolus / Q000378:metabolism / Q000648:ultrastructure; D002467:Cell Nucleus / Q000378:metabolism / Q000648:ultrastructure; D002478:Cells, Cultured; D002843:Chromatin; D006854:Hydrocortisone / Q000494:pharmacology; D008099:Liver / Q000378:metabolism / Q000648:ultrastructure*; D008928:Mitochondria / Q000378:metabolism; D009940:Organoids / Q000187:drug effects / Q000648:ultrastructure*; D012313:RNA / Q000096:biosynthesis*; D051381:Rats
chemical_list: D002843:Chromatin; D012313:RNA; D006854:Hydrocortisone