title: Ring shaped nucleoli in liver cells of rats after treatment with actinomycin D.
mesh_terms: D000818:Animals; D002466:Cell Nucleolus / Q000187:drug effects*; D003609:Dactinomycin / Q000494:pharmacology*; D006652:Histological Techniques; D007275:Injections, Intravenous; D008099:Liver / Q000187:drug effects / Q000473:pathology*; D008297:Male; D008854:Microscopy, Electron; D051381:Rats; D012965:Sodium Chloride / Q000494:pharmacology; D012996:Solutions
chemical_list: D012996:Solutions; D003609:Dactinomycin; D012965:Sodium Chloride