title: Studies on the biochemistry and fine structure of silica shell formation in diatoms. IV. Fine structure of the apochlorotic diatom Nitzschia alba Lewin and Lewin.
mesh_terms: D002462:Cell Membrane; D002473:Cell Wall; D056890:Eukaryota / Q000166:cytology* / Q000378:metabolism; D008854:Microscopy, Electron; D012822:Silicon Dioxide / Q000378:metabolism
chemical_list: D012822:Silicon Dioxide