Premeiotic aster as a device to anchor the germinal vesicle to the cell surface of the presumptive animal pole in starfish oocytes.

@article{Miyazaki2000PremeioticAA,
  title={Premeiotic aster as a device to anchor the germinal vesicle to the cell surface of the presumptive animal pole in starfish oocytes.},
  author={Atsuko Miyazaki and Eiji Kamitsubo and Satoru Nemoto},
  journal={Developmental biology},
  year={2000},
  volume={218 2},
  pages={
          161-71
        }
}
The germinal vesicle (GV) of starfish oocytes stays just beneath the oocyte cortex at the presumptive animal pole during the long period of oogenesis. We subjected oocytes to a centrifugal force field to detach the GV from the cortex. The association between the cortex and the GV persisted and withstood a small amount of centrifugal acceleration at 200 g. The GV was eventually separated from the cortex at 700 g. The amount of acceleration sufficient for the GV separation was lowered when the… CONTINUE READING
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