Figure 1
From: Ultrastructure of setae of a planktonic diatom, Chaetoceros coarctatus
Overall view and enlarged images of a colony of C. coarctatus. Optical microscope image (a), SEM image (b), and elemental mapping of Si by energy-dispersive spectroscopy (EDS) (c) of a colony. Enlarged SEM images of M-shaped anterior terminal setae (d), intercalary setae (e), and U-shaped posterior terminal setae (f).
