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Figure 6


Fig. 6. Electron micrographs of hypothyroid rat Harderian gland (HG). (A) Type A cells have pycnotic nuclei (N) and heterogeneous secretory vacuoles throughout the cytoplasm. Coalescence of secretory vacuoles (arrow) can be seen. Scale bar, 5.4 µm. (B) Type A cells have a basal pycnotic nucleus and a few secretory vacuoles (V) throughout the amorphous cytoplasm. Arrows indicate mitochondria. Scale bar, 4 µm.