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Representative photomicrographs of sections of hippocampus region from (A) Vehicle. (B) Rotenone only. (C) Rotenone+amphetamine 0.5 mg/kg. (D) Rotenone+amphetamine 1 mg/kg. (E) Rotenone+amphetamine 2 mg/kg. Black arrow heads; pyknotic nuclei. Black arrows; normally granular cells with rounded vesicular nuclei (H&E x400)
