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TECHNICAL BRIEFS

Zero-Stress States of Arteries

[+] Author and Article Information
S. Q. Liu, Y. C. Fung

Department of Ames-Bioengineering, University of California, San Diego, La Jolla, Calif. 92093

J Biomech Eng 110(1), 82-84 (Feb 01, 1988) (3 pages) doi:10.1115/1.3108410 History: Received September 28, 1987; Revised October 20, 1987; Online June 12, 2009

Abstract

The no-load configuration of a living organ is, in general, not the zero-stress state. The difference can be revealed by cutting up an unloaded organ to such an extent that the stress becomes zero in the tissue everywhere. For the aorta, it is shown that the configuration of the zero-stress state differs considerably from being a cylindrical tube. It is, in fact, an open sector with opening angles varying along the arterial tree. This article presents data on the zero-stress state in the arteries of the rat in normal condition.

Copyright © 1988 by ASME
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