The erythrocyte deformability of spontaneous hypertension rats(SHR) and Wistar Kyoto rats(WKY) in the shear flow field have been studied quantitatively with Ektacytometor. The results showed the red blood cells of SHR have normal deformability ,the red blood cells and the cell membranes have better deformability as compared with WKY. The study of SHR red cells may lead to a new understanding of intrinsic factors of erythrocyte deformability.
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