title: Ultrastructural changes in Osmunda regalis Prothalli induced by X-irradiation.
mesh_terms: D002455:Cell Division / Q000528:radiation effects; D002470:Cell Survival / Q000528:radiation effects; D002736:Chloroplasts / Q000378:metabolism / Q000528:radiation effects*; D004247:DNA / Q000528:radiation effects; D004307:Dose-Response Relationship, Radiation; D006651:Histocytochemistry; D006652:Histological Techniques; D002479:Inclusion Bodies / Q000378:metabolism; D050356:Lipid Metabolism; D008854:Microscopy, Electron; D059828:Plant Cells; D010944:Plants / Q000528:radiation effects*; D011830:Radiation Effects; D013213:Starch / Q000378:metabolism; D013997:Time Factors
chemical_list: D013213:Starch; D004247:DNA