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| formed day 5 has bastocyst cavity, embryoblast is embryonic pole, and tropoblast |
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inner glycoprotein layer of oocyte (ovum) has 4 functions prevent polypermy regulate implantation prevent cross breeding promote compaction |
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| follicular cellsirregularly distributed in oocyte outer layer |
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head of sperm releases degradative enzymes, bonds with zp3 recepters in oocyte |
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| female fcortical granules |
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prevent polypermy by altering sprem receptor molecules of zona (zona reaction) |
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| daughter cells of mitotic cell clevage |
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mulberry 16 cells day 3 has distinct cell populations -tropoblast -embryoblast |
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