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Table 3 Gross and microscopic dimensions (mean and standard deviation (SD) of the heart of European brown hares (N = 42).

From: Preliminary reference values for electrocardiography, echocardiography and myocardial morphometry in the European brown hare (Lepus europaeus)

Parameter

Mean value and SD

Length of the heart (mm)

53.33 ± 9.0

Width of the heart (mm)

39.00 ± 2.82

Height of the right atrium (mm)

15.3 ± 2.73

Width of the right atrium (mm)

14.4 ± 1.37

Ring of tricuspid valve (mm)

16.5 ± 4.7 × 13.16 ± 4.62

Height of the right ventricle (mm)

27.83 ± 3.18

Width of the right ventricle (mm)

27.66 ± 4.84

Myocardial thickness of the right ventricle free wall (mm)

4.66 ± 0.5

Pulmonary artery (mm)

6.16 ± 1.1

Height of the left atrium (mm)

11.16 ± 7.5

Width of the left atrium (mm)

12.3 ± 3.0

Ring of mitral valve (mm)

9.83 ± 3.18 × 11.05 ± 1.55

Height of the left ventricle (mm)

31.83 ± 4.91

Width of the left ventricle (mm)

11.83 ± 1.16

Myocardial thickness of left ventricular free wall (mm)

8.66 ± 1.5

Myocardial thickness of the interventricular septum (mm)

8.16 ± 1.3

Aorta diameter (mm)

6.83 ± 1.47

Number of fibres in the assayed field amounted (mm)

40.52 ± 7.26

Diameter of cardiomyocytes in the ventricle (μm)

20.45 ± 5.06

Length of the cell nucleus (μm)

15.95 ± 2.91

Diameter of the cell nucleus (μm)

4.46 ± 0.63