title: Ultrastructure of the chitin fibrils of the centric diatom Cyclotella cryptica.
mesh_terms: D002473:Cell Wall / Q000648:ultrastructure; D002686:Chitin; D056890:Eukaryota / Q000648:ultrastructure*; D008854:Microscopy, Electron; D014961:X-Ray Diffraction
chemical_list: D002686:Chitin