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15 Cards in this Set
- Front
- Back
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Steps
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Ganetogenesis
mate selection sexual activity erection, emission, ejaculation Ovulation/ Menstraul cycle |
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Fast block
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1-3 second respons to entrance of sperm to egg. Protential shifts in positive direction.
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Slow block
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Physical layer outside of egg
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Embryo
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Term for first 8 weeks
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Fetus
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Term after 8 week mark
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The blastocyst consists of what?
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Trophoblast, Inner cell mass, blastocyst cavity (blastoceol)
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Trophoblast
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Outer layer of cells flatten from morula.
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Inner cell mass
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Where the offspring ccomes from within the the blastocyst. Clusters at one pole.
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Blastocyst cavity (blastoceol)
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stem cells take inner cell mass
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Implantation
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The process by which the blastocyst burrows into and embeds within the endometrium
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Two layers that develop from the ICM upon implamantation
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Epiblast and Hypoblast
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Bilaminar disc is
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made of the epiblast and hypoblast
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Yolk sac
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exists in humans as an important site for early blood cell and blood veseel formation
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Germ layer that gives rise to all 3 layers
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Epiblast
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The trilaminar Embryonic disc is comprised of
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Ectoderm, mesoderm, Endoderm
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