Deformation of Red Blood Cells in Capillaries

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Science  09 May 1969:
Vol. 164, Issue 3880, pp. 717-719
DOI: 10.1126/science.164.3880.717


The shapes of red blood cells in capillary blood vessels are reinterpreted from observations of human red cells. The parachute or umbrella shape often observed is not an axisymmetric shape as formerly assumed, but is the basic biconcave disk shape of the red cell with the upstream end flattened by the pressure gradient.

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