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News Physiol Sci 3: 5-10, 1988;
1548-9213/88 $5.00
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News in Physiological Sciences, Vol 3, 5-10, Copyright © 1988 by International Union of Physiological Sciences

ARTICLES

Physiological Heterogeneity: Fractals Link Determinism and Randomness in Structures and Functions

JB Bassingthwaighte

Spatial variation in concentrations or flows within an organ and temproal variation in reaction rates or flows appear to broaden as one refines the scale of observation. How can we characterize heterogeneity independently of scale? Fractals come to our rescue! A system is fractal if its features adhere to the same rules through a succession of different scales. Fractals efficiently describe many types of observations, geometric and kinetic, and help to integrat physiological knowledge.


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