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Periodic acid–Schiff (PAS) stained liver sections from control mice and mice treated with TTX at 125 µg/kg (600× magnification). Hepatocytes from control animals were PAS positive, with glycogen (magenta granules indicated by the arrows) located in the cytoplasm (A), while these granules were not present in the hepatocytes from mice dosed daily with 125 µg/kg TTX (B).
