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. 2003 Mar 31;160(7):1055–1068. doi: 10.1083/jcb.200211076

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Copyright © 2003, The Rockefeller University Press

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Figure 8. — Model for phase I and II of NEBD. (Top) cross section of the NE through the center of an NPC. (Bottom) top view from the cytoplasmic side of the NE. Lamina, dark gray; nuclear membranes, transparent gray; NPC, middle gray; permeability barrier of NPC, light gray. The channel diameter indicated by dashed lines corresponds to the apparent diffusion channel calculated from dextran fluxes. (A) immature oocytes, (B) phase I oocytes, (C) phase II oocytes. Bar, 50 nm.