Figure 2.

(a)–(o). Histological examination of microphotographs obtained from the tissues of twenty animals in each group revealed changes in the architecture of thymus, spleen, ovaries, and liver of treated (0.3 mg/kg/d) animals. Thymus: (a) experimental group (200X); connective tissues (arrow); (b) experimental group (100X)；connective tissues (arrow); (c) control group (200X), corticomedullary (green arrow) thymic corpuscles (black arrow); (d) control group (100X)； Spleen: (e) experimental group (200X); (f) experimental group (400X); (g) control group (200X), fibrous connective tissue(arrow); (h) control group (100X). Ovaries: (i) experimental group (200X), follicular atresia (arrow); (j) experimental group (100X); (k) control group (200X), follicular (arrow); (l) control group (100X)； Liver: (m) experimental group (200X), eosinophilic bodies (blue arrow), ballooned change (green arrow); (n) central vein (arrow) experimental group (100X); (o) control group (200X), eosinophil (arrow); (p) control group (100X).