Table 2 Data of the primary osteons’ vascular canals, Haversian canals and secondary osteons in adult male rats subchronic exposed to 30 mg of CdCl 2 /L in drinking water for 90 days (Cd group) and the control rats (control group)
From: Changes in compact bone microstructure of rats subchronically exposed to cadmium
Measured structure | Group | N | Area (μm2) | Perimeter (μm) | Max. diameter (μm) | Min. diameter (μm) |
|---|---|---|---|---|---|---|
Primary osteons’ vascular canals | Control group | 436 | 393.49 ± 123.05 | 71.58 ± 12.37 | 12.87 ± 2.68 | 9.62 ± 1.68 |
Cd group | 405 | 341.39 ± 65.77 | 66.74 ± 7.27 | 11.77 ± 1.08 | 9.29 ± 1.13 | |
T-test | t = 7.732 | t = 6.975 | t = 7.007 | t = 3.385 | ||
df = 674.963 | df = 712.451 | df = 767.944 | df = 768.604 | |||
P = 0.001 | P = 0.001 | P = 0.001 | P = 0.001 | |||
Haversian canals | Control group | 208 | 428.3 ± 75.75 | 74.94 ± 7.3 | 13.04 ± 1.56 | 10.73 ± 1.17 |
Cd group | 227 | 384.94 ± 73.23 | 70.9 ± 6.94 | 12.52 ± 1.67 | 9.84 ± 1.31 | |
T-test | t = 6.403 | t = 6.403 | t = 3.533 | t = 7.880 | ||
df = 483 | df = 483 | df = 483 | df = 483 | |||
P = 0.001 | P = 0.001 | P = 0.001 | P = 0.001 | |||
Secondary osteons | Control group | 208 | 6408.74 ± 1820.97 | 292.98 ± 39.59 | 51.64 ± 8.17 | 39.51 ± 6.2 |
Cd group | 227 | 4583. 64 ± 1326.92 | 240.60 ± 35.32 | 41.50 ± 6.92 | 34.6 ± 5.32 | |
T-test | t = 12.467 | t = 15.399 | t = 14.651 | t = 9.294 | ||
df = 408.155 | df = 483 | df = 445.501 | df = 448.265 | |||
P = 0.001 | P = 0.001 | P = 0.001 | P = 0.001 | |||