<p>Histological sections 100 x (Panel A) and 400 x (Panel B) of livers. The liver section of normal control mice showed normal portal vein and hepatocytes. Pb-acetate treated liver section exhibited dilated portal vein (green arrow), fatty degeneration (blue arrows), vacuolated cytoplasm (red arrows), apoptosis (yellow arrows) and leucocytes infiltration (black arrows) when compared with the section of normal control liver. Panel C. The dilation of portal vein is denoted as % of the blank area comparative to the whole area of the photomicrograph (400 x, arbitrarilynominated areas comprising one portal vein were selected). Panel D. The incidence of inflammation was presented as the % of the inflamed hepatocytes region comparative to the whole area of the photomicrograph (100 x, arbitrarily selected area in portal vein were designated). Values were expressed as mean ± SE, (n = 60). <sup>#</sup> Results significantly (p < 0.01)differed from normal control. <sup>**</sup>Results significantly (p < 0.01) differed from Pb-acetate control.</p
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