Early Embryonic Development
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14 Terms
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distal 1/3 of uterine tube
Where does fertilization occur?
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acrosomal enzymes
What is needed to digest a path through to the secondary oocyte?
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haploid female pronucleus
The sperm reaches the secondary oocyte and completes meiosis 2, which forms a...
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haploid male pronucleus
The sperm goes into the egg cytoplasm and the head forms a...
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diploid zygote
The male and female pronuclei fuse to form what?
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process of dividing a zygote
cleavage
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morula
cleavage produces a...
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blastocyst
The morula develops into a...
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endometrium
Where does the blastocyst implant into?
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pregnancy
When a blastocyst is implanted, what occurs?
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embryonic and maternal tissue
What does the placenta develop from?
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allows for exchanges between mom's and baby's blood
purpose of the placenta
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human chorionic gonadotropin
What hormone is secreted from the placenta during pregnancy?
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maintains the corpus luteum, which prevents menstruation
What does human chorionic gonadotropin do?
Note 
Flashcards (185)