Silica in the wall of Pediastrum.
D002473:Cell Wall / Q000032:analysis*; D056890:Eukaryota / Q000166:cytology*; D008854:Microscopy, Electron; D008982:Molybdenum / Q000032:analysis; D012825:Silicon / Q000032:analysis; D012822:Silicon Dioxide / Q000032:analysis*
D012822:Silicon Dioxide; D008982:Molybdenum; D012825:Silicon