Chitin fibres of the diatoms Thalassiosira fluviatilis and Cyclotella cryptica.
D002686:Chitin / Q000032:analysis; D056890:Eukaryota / Q000032:analysis*; D007259:Infrared Rays; D010933:Plankton / Q000032:analysis*; D011134:Polysaccharides / Q000032:analysis*; D013053:Spectrophotometry; D014961:X-Ray Diffraction
D011134:Polysaccharides; D002686:Chitin