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Sections of the seminiferous epithelium (presumably stage VII or VIII) taken at 1 µm (A), 3 µm (B) and 5 µm (C) in thickness and stained with DAPI. Stage VIII seminiferous tubules shown after fluorescence (D) and periodic acid-Schiff/hematoxylin (PAS-H; E) staining. Acrosomes were stained with PNA lectin histochemistry (green; D) or PAS (E), and nuclei were stained with DAPI (blue; D) or hematoxylin (E). Scale, 15 μm (A–C), 30 μm (D, E).
