Effects of aging on the zona pellucida surface of mouse oocytes

Jose Egozcue Cuixart, Maria Del Carme Nogues Sanmiquel, Montserrat Ponsa Fontanals, Francesca Vidal Dominguez

Research output: Contribution to journalArticleResearchpeer-review

34 Citations (Scopus)

Abstract

In a scanning microscopy study of mouse oocytes from immature, young, and aged females and of oocytes aged in vivo or in vitro, we have observed four types of zona pellucida, which we classify as types A, B, C, and D. Oocyte aging gives rise to a significant increase in predegenerative (type C) oocytes; this type of zona pellucida surface could result from a zona hardening effect and decrease the rate of fertilization of the oocytes affected. © 1988 Plenum Publishing Corporation.
Original languageEnglish
Pages (from-to)225-229
JournalJournal of in vitro Fertilization and Embryo Transfer
Volume5
Issue number4
DOIs
Publication statusPublished - 1 Aug 1988

Keywords

  • mouse oocytes
  • oocyte aging
  • scanning electron microscopy
  • zona pellucida

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