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Table 3 Dimensions, in millimeters, of the medial meniscus in the human, sheep and pig

From: Anatomical study: comparing the human, sheep and pig knee meniscus

  Medial meniscus
Mean ± Standard Error of the Mean (SEM)
Human (n = 6) Sheep (n = 6) Pig (n = 22)
Circumference
 Body 88.67 (±2.13) 55.5 (±1.33)** 64.95 (±1.04)**
 Body with horns 101.17 (±3.15) 71.83 (±1.74)** 89.04 (±1.86)**
Width
 Anterior 8.5 (±0.62) 9.83 (±0.30) 14.23 (±0.32)**
 Middle 8.33 (±0.49) 7.67 (±0.49) 12.23 (±0.30)**
 Posterior 14.83 (±0.79) 10.83 (±0.48)** 16.00 (±0.37)
 Average 10.55 (±0.81) 9.44 (±0.39) 14.15 (±0.27)**
Peripheral height
 Anterior 5.5 (±0.34) 5.83 (±0.31) 10.18 (±0.34)**
 Middle 5.0 (±0.45) 4.42 (±0.37) 6.23 (±0.22)
 Posterior 7.0 (±0.68) 5.83 (±0.47) 10.04 (±0.37)*
 Average 5.83 (±0.34) 5.36 (±0.27) 8.82 (±0.29)**
Articulating height
 Point - a 3.0 (±0.00) 3.25 (±0.36) 4.45 (±0.14)**
 Point - b 1.58 (±0.20) 1.5 (±0.34) 2.45 (±0.14)*
 Point - c 0.95 (±0.02) 0.86 (±0.05) 1.13 (±0.07)
 Point - d 0.72 (±0.04) 0.55 (±0.05)* 0.77 (±0.03)
Superior articular length
 Anterior 9.67 (±0.80) 10.5 (±0.72) 13.91 (±0.36)**
 Middle 9.15 (±1.8) 10.33 (±0.49) 13.77 (±0.37)**
 Posterior 15.67 (±0.84) 12.0 (±0.58)* 17.59 (±0.43)
 Average 11.49 (±0.98) 10.94 (±0.37) 15.09 (±0.31)**
  1. Human dimensions are in bold.
  2. Statistically significant differences from the human lateral meniscus are marked with asterisks
  3. (*) indicates significance levels with p-values < 0.05 and (**) indicates significance level with p-values < 0.001