title: The nucleus: action of chemical and physical agents.
mesh_terms: D000166:Acridines / Q000494:pharmacology; D000348:Aflatoxins / Q000494:pharmacology; D000577:Amides / Q000494:pharmacology; D000818:Animals; D000963:Antimetabolites / Q000494:pharmacology*; D002286:Carcinoma, Ehrlich Tumor; D002466:Cell Nucleolus / Q000187:drug effects*; D002467:Cell Nucleus / Q000187:drug effects*; D003609:Dactinomycin / Q000494:pharmacology; D004622:Embryo, Mammalian / Q000166:cytology; D004625:Embryo, Nonmammalian; D005001:Ethionine / Q000494:pharmacology; D006651:Histocytochemistry; D006358:Hot Temperature; D066298:In Vitro Techniques; D008099:Liver / Q000166:cytology; D008854:Microscopy, Electron; D011758:Pyrroles / Q000494:pharmacology; D012313:RNA / Q000096:biosynthesis*; D013997:Time Factors
chemical_list: D000166:Acridines; D000348:Aflatoxins; D000577:Amides; D000963:Antimetabolites; D011758:Pyrroles; D003609:Dactinomycin; D012313:RNA; D005001:Ethionine