title: Osmium tetroxide-zinc iodide reactive sites in the photoreceptor cells.
mesh_terms: D000818:Animals; D008854:Microscopy, Electron; D009992:Osmium; D009993:Osmium Tetroxide; D010786:Photoreceptor Cells / Q000648:ultrastructure*; D051381:Rats; D013194:Staining and Labeling; D015032:Zinc
chemical_list: D009992:Osmium; D015032:Zinc; D009993:Osmium Tetroxide