Table 1.

Morphometric analysis of testicular parameters in rats inhalationally exposed to 75μg BaP/m³ BaP.

Parameter	Control	BaP-exposed
Testis weight (gm/paired testis)	3.0 ± 0.16	2.0 ± 0.11*1
Tubule diameter (μm)	250 ± 8.5	230 ± 8.2*2
Tubules with elongated spermatids (%)	99 ± 1.0	99 ± 1.0
Tubular volume (X 109 μm3)	2.0 ± 0.7	1.6 ± 0.004*3
Total weight of tubules (gm)	2.20 ± 0.7	1.6 ± 0.004
Total tubular length (μm)	55 ± 1.0	33 ± 1.0*5
Total volume of interstitium per paired testis (μm3)	0.43 ± 0.01	0.38 ± 0.01
Total weight of interstitium per paired testis (gm)	0.45 ± 0.01	0.37 ± 0.01*4

^*1p < 0.025,

^*2p < 0.09,

^*3p < 0.002,

^*4p < 0.05,

^*5p < 0.01