Interaction of Vasomotion and Blood Rheology in Haemodynamics

  • H. Schmid-Schönbein


The rheology of blood as an extremely non-Newtonian fluid has attracted the interest not only of physiologists but also of physicists, bioengineers and of course of clinicians. Unfortunately, the conclusions drawn from the in vitro measurements of apparent viscosity of blood in health and disease are often gross over-simplifications, ignoring the established facts about haemodynamics in general, let alone the important organ-specific differences in haemodynamics. It is therefore not surprising that the reaction of the general biomedical public is one of neglect or of almost emotional rejection — as evidenced in a recent editorial in an influential journal (Anonymous, 1977), in which the biological significance of the shear-rate dependence of apparent blood viscosity was totally denied.


Wall Shear Stress Apparent Viscosity Blood Viscosity Flow Force Blood Rheology 
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© Spring-Verlag Berling Heidelberg 1981

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  • H. Schmid-Schönbein

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