Marek Maleszewski

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Mouse oocytes were fertilized by intracytoplasmic sperm injection (ICSI) and reinseminated after the removal of zonae pellucidae at pronuclear stage or at the 2-cell stage. Although these oocytes(More)
The epiblast (EPI) and the primitive endoderm (PE), which constitute foundations for the future embryo body and yolk sac, build respectively deep and surface layers of the inner cell mass (ICM) of(More)