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Table 2 Data of the primary osteons’ vascular canals, Haversian canals and secondary osteons in adult male rats subchronic exposed to 5 mg of Na 2 SeO 3 /L in drinking water for 90 days (Se group) and control rats

From: Structural changes in femoral bone tissue of rats after subchronic peroral exposure to selenium

  Group N Area (μm2) Perimeter (μm) Max. diameter (μm) Min. diameter (μm)
Primary osteons’ vascular canals Control 218 397.3 ± 98.1 72.29 ± 8.95 12.89 ± 2.08 9.83 ± 1.58
Se 203 459.6 ± 127.5 77.93 ± 11.11 14.08 ± 2.58 10.36 ± 1.51
T-test   P < 0.05 P < 0.05 P < 0.05 P < 0.05
Haversian canals Control 208 426.9 ± 119.2 74.47 ± 10.25 13.21 ± 2.16 10.24 ± 1.73
Se 203 375.5 ± 67.4 70.29 ± 6.58 12.49 ± 1.68 9.64 ± 1.28
T-test   P < 0.05 P < 0.05 P < 0.05 P < 0.05
Secondary osteons Control 208 6541.0 ± 2012.6 291.79 ± 43.09 52.21 ± 8.61 39.38 ± 7.52
Se 203 5766.7 ± 1539.2 272.16 ± 35.81 47.80 ± 7.06 37.99 ± 6.24
  T-test   P < 0.05 P < 0.05 P < 0.05 P < 0.05
  1. N: number of measured structures.