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Figure 8


Fig. 8. A conventional electron micrograph showing secretory cells (sc) and a mitochondria-rich cell (mrc) in the small granular gland. The secretory cell has many secretory granules (sg), whereas the cytoplasm in the mitochondria-rich cell is filled with mitochondria, and microvilli-like structures (arrows) develop throughout the region of the plasma membrane. Scale bar, 1 µm.