Cumulus expansion, chromatin configuration and meiotic competence in horse oocytes: a new hypothesis.

@article{Hinrichs1997CumulusEC,
  title={Cumulus expansion, chromatin configuration and meiotic competence in horse oocytes: a new hypothesis.},
  author={Katrin Hinrichs},
  journal={Equine veterinary journal. Supplement},
  year={1997},
  volume={25},
  pages={43-6}
}
When recovered from the follicle, horse oocytes may be categorised as having either a compact or an expanded cumulus. Cumulus expansion is strongly associated with follicle atresia. Oocytes with expanded and compact cumuli have similar proportions in the germinal vesicle stage when recovered from the follicle. However, during in vitro culture, a higher proportion of oocytes with expanded cumuli mature, and they do so more quickly, than do oocytes with compact cumuli. Using Hoechst 33258 to… CONTINUE READING

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