Table 3 Comparison of histomorphometrical data between humerus and femur of sheep (Ovis aries) and cow (Bos taurus)

From: Does the osteon morphology depend on the body mass? A scaling study on macroscopic and histomorphometric differences between cow (Bos taurus) and sheep (Ovis aries)

  Histomorphometric terms Ovis aries Bos taurus
Humerus Femur Humerus Femur
Osteon population density On.Dn 2.6 ± 0.5 2.8 ± 0.9 3.5 ± 1.2 3.9 ± 1.1
Number of measured osteons 127 120 125 114
Number of lamellae 4–5 5–6 6–7 7–8
Osteons      
 Maximum diameter maxOn.Dm 134.2 ± 74 161.3 ± 51 151.6 ± 37 194.1 ± 29
 Minimum diameter minOn.Dm 120.7 ± 36 128.4 ± 45 117. 9 ± 83 121.3 ± 14
 Mean diameter On.Dm 126.2 146.9 134.4 158.5
 Perimeter On.Pm 404.3 ± 71 482.5 ± 39 425.7 ± 54 512.1 ± 94
 Area On.Ar 12,753.0 ± 1304 17,541.4 ± 1647 13,675.6 ± 1623 19,852 ± 2306
 Eccentricity 0.43 0.64 0.65 0.78
Haversian canals      
Maximum diameter maxHC.Dm 28.4 ± 7 26.2 ± 4 40.8 ± 7 37.7 ± 8
 Minimum diameter minHC.Dm 24.1 ± 5 22.8 ± 8 26.9 ± 12 23.2 ± 10
 Mean diameter HC.Dm 26.0 24.5 33.4 29.7
 Perimeter HC.Pm 82.3 ± 54 75.2 ± 9 112.9 ± 33 114.2 ± 40.7
 Area HC.Ar 421.3 ± 51 413.5 ± 63 794.7 ± 127.0 725.8 ± 116.9
 Eccentricity 0.51 0.59 0.73 0.82
  1. Values of diameters, perimeter, and area are expressed in μm (area in μm2) ± standard deviation