Structural and Functional Properties of Venous Wall: Relationship between Elastin, Collagen, and Smooth Muscle Components and Viscoelastic Properties

Table 3

Structural parameters obtained from histological analyses.

	Jugular vein	Vena cava	Femoral vein
	MV ± SD	MV ± SD	MV ± SD
Smooth muscle (%)	11.08±4.18	2.71±1.44^a	7.78±3.19
Striated muscle (%)	0.00±0.00	40.60±3.90^a	0.00±0.00^b
Total muscle (%)	11.08±4.18	43.31±5.09^a	7.78±3.19
Elastin (%)	47.13±3.08	21.04±3.72^a	45.27±2.56
Collagen (%)	41.78±2.84	35.65±2.05^a	46.95±4.66
Elastic tissues (%)	88.92±4.18	56.69±5.09^a	92.22±3.19
Eliminatig striated muscle
Smooth muscle (%)	11.08±4.18	4.66±2.77^a	7.78±3.19
Elastin (%)	47.13±3.08	35.28±4.56^a	45.27±2.56
Collagen (%)	41.78±2.84	60.06±1.89^a	46.95±4.66
Thickness (mm)	0.22±0.03	0.42±0.07^a	0.38±0.02^ab
Parietal section (mm^2)	6.68±0.91	16.58±4.14^a	7.49±0.40^ab
Smooth muscle (abs) (mm^2)	71.97±20.73	41.20±13.67	57.60±21.05
Striated muscle (abs) (mm^2)	0.00±0.00	668.12±147.00^a	0.00±0.00^b
Total muscle (abs) (mm^2)	71.97±20.73	709.32±137.19^a	57.60±21.05^ab
Elastin (abs) (mm^2)	316.88±64.94	357.80±144.47	338.38±10.07
Collagen (abs) (mm^2)	279.52±44.65	591.32±147.84^a	352.70±53.52^ab

Mean value (MV) ± standard deviation (SD). Abs: absolute or net amount.
^a𝑃<0.05 with respect to jugular vein.
^b𝑃<0.05 with respect to vena cava.