Human Repro Final

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  1. Acrosomal reaction -
    Enzymes are used to digest holes in the zona pellucida; hundreds of acrosome vesicles release their enzymes to digest the zona pellucida.
  2. Cortical reaction
    cortical granules release enzymes that cause the zona pellucida to harden, which functions to prevent polyspermy.
  3. Ectopic pregnancy
    Implantation of the fertilized egg in the Fallopian tube - 2% of all pregnancies
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15818
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Human Repro Final
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Human repro final
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