Fig. 2

(G2, sodium arsenite 1 mg/l); (A) No visible effect of 1 mg/l dose. Seminiferous tubules showing normal germinal epithelium (SG) spermatogonia, (SC) spermatocytes, (ES) elongated spermatids, (LC) Leydig cells; (B) Higher magnification of F; (C) Caput with numerous spermatozoa; (D) Cauda. H&E (×20) (×40).