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[Ovarian reserve]

Thomas Fréour1, Paul Barrière

  • 1Biologie et médecine du développement et de la reproduction, hôpital Mère-et-Enfant, CHU de Nantes, 44093 Nantes cedex 1. thomas.freour@chu-nantes.fr

La Revue Du Praticien
|February 8, 2012
PubMed

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In human women, oogenesis produces one mature egg cell or ovum for every precursor cell that enters meiosis. This process differs in two unique ways from the equivalent procedure of spermatogenesis in males. First, meiotic divisions during oogenesis are asymmetric, meaning that a large oocyte (containing most of the cytoplasm) and minor polar body are produced as a result of meiosis I, and again following meiosis II. Since only oocytes will go on to form embryos if fertilized, this unequal...
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