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Fertilisation - Anatomy & Physiology (view source)
Revision as of 15:22, 29 November 2010
, 15:22, 29 November 2010Text replace - "-_Anatomy_%26_Physiology" to "- Anatomy & Physiology"
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* When the spermatozoon completely penetrates the zona pellucida and reaches the perivitelline space, it settles into a bed of '''microvilli''' formed by the oocyte plasma membrane.
* When the spermatozoon completely penetrates the zona pellucida and reaches the perivitelline space, it settles into a bed of '''microvilli''' formed by the oocyte plasma membrane.
* Oocyte plasma membrane fuses with the '''equitorial segment''' and the fertilizing spermatozoon is engulfed.
* Oocyte plasma membrane fuses with the '''equitorial segment''' and the fertilizing spermatozoon is engulfed.
−**Brought about by a fusion protein that is inactive prior to the [[Copulation_-Sperm_in_the_Female_Tract_-_Anatomy_%26_Physiology|acrosome reaction]].
+**Brought about by a fusion protein that is inactive prior to the [[Copulation_-Sperm_in_the_Female_Tract_- Anatomy & Physiology|acrosome reaction]].
* Nucleus of the spermatozoon is within the oocyte cytoplasm.
* Nucleus of the spermatozoon is within the oocyte cytoplasm.
* Sperm nuclear membrane disappears.
* Sperm nuclear membrane disappears.