Fig. 4

(G4, sodium arsenite 25 mg/L); (A) High incidence of marginal germinal hyperplasia/neoplasia (arrow heads) in dilated tubules, degenerated germinal epithelium with lowered spermatogenesis, dispersed Leydig cells; (B) Higher magnification; circles indicate highly proliferative areas with giant cells; (C) Caput; (D) Cauda poorly filled with mature sperms, oligospermic. H&E (×20) (×40).