Mechanisms preventing polyspermy include the acrosome reaction (digesting the zona pellucida), sperm penetration of the egg membrane exposing the acrosome tip, and the cortical reaction where granules harden the zona pellucida.
Mechanisms preventing polyspermy include the acrosome reaction (digesting the zona pellucida), sperm penetration of the egg membrane exposing the acrosome tip, and the cortical reaction where granules harden the zona pellucida.
| Front | mechanisms to prevent polyspermy |
|---|---|
| Back | acrosome reaction (digestion of zona pellucida), penetration of egg membrane (acrosome exposed sperm tip), cortical reaction (cortical granules digest proteins to harden zona pellucide) |
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