Table 3 Effect of subchronic low dose exposure to NP on the absolute and relative weights of repro-ductive organs in F2 male mice

	CON	NP-50
Testis (mg, pair)	128.0±7.53	124.0±4.13
Testis (mg, pair)/body weight (g)	3.8±0.28	3.8±0.09
Epididymis (mg)	42.0±1.66	46.1±1.29
Epididymis/body weight (g)	1.2±0.05	1.4±0.04*
Seminal vesicle (mg)	57.2±4.30	61.6±3.14
Seminal vesicle/body weight (g)	1.7±0.11	1.9±0.1
Prostate (mg)	7.7±0.64	6.3±0.48
Prostate (mg)/body weight (g)	0.2±0.02	0.2±0.02