Unformatted text preview: include Cumulous cells, Zona Pellucida, and oolemma. The corticle reaction occurs at the moment that spermatozoa joins with the oocyte. This results in a block that is binding to all other spermatozoa. In order for this to happen, the corticlal granules basically go from inside the vitelline membrane to the outside of it in order to block the spermatozoa. This process is important because it lowers the occurrence of multiple spermatozoa to fertilize one oocyte, thus avoiding polyspermy as well as triploidy....
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- Spring '08
- Spermatozoon, cortical reaction, zona pellucida, Acrosome reaction