To what extent is cell polarity: a) a unique property of epithelial cells, and b) the most important property (amongst the whole range of specializations) of these cells.
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Nature focus on membrane traffic at: http://www.nature.com/ncb/focus/membrane/
Nature focus on signaling and adhesion at: http://www.nature.com/ncb/focus/signallingadhesion/
mjaw
25.x.2005