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  • Title: Fluid drop-like transition of erythrocytes under shear.
    Author: Schmid-Schöenbein H, Wells R.
    Journal: Science; 1969 Jul 18; 165(3890):288-91. PubMed ID: 5787985.
    Abstract:
    Red cells dispersed in a continuous medium of high viscosity possess the flow properties of fluid drops. The cells at rest are biconcave, while under shear they become progressively deformed into prolate ellipsoids, their long axis aligned parallel to the flow direction. The red cell membrane rotates around the hemoglobin like a tread of a tank. At high rates of shear this mechanism greatly reduces viscosity at all hematocrit values.
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