  This paper demonstrates that the pattern of lipid spiculesthat emerge on the
surface of red blood cells in the classic 'Discocyte to Echinocyte' shape
change is a generative spiral, and presents a qualitative, fluid- driven
mechanism for their production, compatible with the work of Douady and Couder.
Implications for the dynamics of cell growth, plant cell phyllotaxy, programmed
cell death and gravity sensitivity are explained in terms of a new qualitative
model of cellular fluid dynamics.
