Structural and Functional Properties of Venous Wall: Relationship between Elastin, Collagen, and Smooth Muscle Components and Viscoelastic Properties
Figure 1
(a): Instantaneous pressure and diameter signals obtained during in vitro experiments on the cava vein. Note the phase lag between the pressure and diameter signals; and show the foot-to-foot difference. (b) Pressure-diameter relationship (clockwise rotation) obtained from the signals plotted in (a), showing a hysteresis area that represents the vascular viscosity. The a–c loop is the original pressure-diameter relationship, and the b-c loop is the purely elastic pressure-diameter relationship. : elastic modulus for low pressure-diameter relationship; : elastic modulus for high pressure-diameter relationship.
