Fig. 5From: p,p’-DDT induces testicular oxidative stress-induced apoptosis in adult ratsDetection of apoptotic cells in the testis of rats as revealed by TUNEL assay. Seminiferous tubule from control showed no apoptotic cells (Photo a). Seminiferous tubules from DDT- treated rats with 50 mg/kg (Photo B) and 100 mg/kg (Photo c) showed TUNEL-positive germ cells. Rats received an ip injection of 50 or 100 mg/kg body weight of DDT during 10 days. TS, Seminiferous tubule; SP, spermatozoa; S, spermatocyte cells; L, leydig cells. Magnification: ×400 (a, b, c)Back to article page