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. Author manuscript; available in PMC: 2015 Jul 30.
Published in final edited form as: Nat Cell Biol. 2013 Feb;15(2):137–139. doi: 10.1038/ncb2683

Figure 2. Canaliculi: membrane reservoir or flux capacitor?

Figure 2

In (a), the three tube forming cells of the excretory system of the nematode are drawn (cell outlines, red; junctions, green; apical membrane, gold); seamless tubes form in the large H-shaped canal cell. In (b) a cross sectional view of one arm of a canal cell tube is illustrated, with the lumen and canalicular channels and vesicles indicated. In (c), the effect of osmotic challenge on the canalicular network and lumen size is schematized.