Abstract
Summary
The viscoelastic properties of strips of aorta from normal and hypertensive rats have been determined. The aortas of hypertensive animals are stiffer and more viscous than those of normal rats. The pari passu increase in stiffness and viscosity is evidence that muscle is the chief structural component resulting in increased stiffness. Photomicrographs of the aorta of normal and hypertensive rats support this idea.
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