Article
[The human zona pellucida: New genetic findings].
Medecine sciences : M/S - 1 Jan 2000
Trocka Daria, Satie Anne-Pascale, Ravel Célia
Abstract excerpt
The Zona Pellucida (ZP) is an ovarian specialized extracellular coat surrounding the oocyte. In human, ZP is composed of four glycoproteins: ZP1, ZP2, ZP3 and ZP4. It regulates sperm binding to the oocyte during fertilization. After fertilization, ZP prevents polyspermia and is important for the protection of the developing embryo and oviductal transport avoiding ectopic implantation. According to the development...
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