title: The ultrastructure of aortic elastica as revealed by prolonged treatment with OsO 4 .
mesh_terms: D000818:Animals; D001011:Aorta / Q000166:cytology*; D004547:Elastic Tissue / Q000166:cytology*; D005260:Female; D008854:Microscopy, Electron; D009992:Osmium; D051381:Rats; D013194:Staining and Labeling
chemical_list: D009992:Osmium