Figure 2

Histological analysis of dorsolateral prostate in male aged rats treated with BPA for 3 months. The glandular cavity was slightly enlarged and increased in BPA-treated groups. (a–d) Representative sections of comparable regions were shown for vehicle control rats (a), and animals exposed to BPA (10 μg/kg/day) (b), BPA (30 μg/kg/day) (c), and BPA (90 μg/kg/day), (d) (scale bar: 50 μm, x40).