Ruthenium tetroxide for fixing and staining cytoplasmic membranes.
D002462:Cell Membrane; D002467:Cell Nucleus; D004721:Endoplasmic Reticulum; D007668:Kidney / Q000166:cytology; D008099:Liver / Q000166:cytology; D008854:Microscopy, Electron; D009992:Osmium; D012428:Ruthenium; D013194:Staining and Labeling
D009992:Osmium; D012428:Ruthenium