The Mechanical Properties of the Cell Surface

  title={The Mechanical Properties of the Cell Surface},
  author={J Murdoch Mitchison},
INTRODUCTION In earlier papers (Swann, 1952; Mitchison, 1952) we put forward a new conception of the mechanism of cell division—the expanding membrane theory. This postulated an active expansion of the cell membrane or cortex as the immediate cause of cleavage; it implied that the cell membrane must be sufficiently rigid to expand in area without buckling, and that there could be little or no internal pressure in the cell during cleavage. We produced evidence in support of this theory from… CONTINUE READING
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