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. 2009 Oct 21;97(8):2191–2201. doi: 10.1016/j.bpj.2009.08.008

Figure 1.

Figure 1

Geometry of the germinal vesicle and karyosome, showing the relationship between ρ and θ (in the spherical coordinate system) for a given point on the membrane or boundary of the germinal vesicle. In live oocytes, rk and rgv are ∼2.2 μm and 16 μm, respectively; placing the karyosome 1 μm from the edge of the germinal vesicle yields S = rgv–rk−1 μm = 12.8 μm.