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9 Cards in this Set
- Front
- Back
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the embryoblast forms what 2 layers
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the epiblast and the hypoblast
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the trophoblast differentiates into what 2 layers
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the cytotrophoblast and the syncytiotrophoblast
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What 2 cavities are formed around days 8,11, and 12
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amniotic cavity and the chorionic cavity
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The blastocyst cavity is remodeled 2 times 1st changing to ______ and then to _______
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the primary yolk sac and the into the definitive or the secondary yolk sac
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The extraembryonic mesoderm splits into what 2 layers
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the somatopleuric and the splanchnopleuric
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the hypoblast and the epiblast form a flat disc with what cavity in the center
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the amniotic cavity
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ectopic pregnancy
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when implantation takes place outside the uterus
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common ectopic implantation sites
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abdominal cavity, ovary or uterine tube.
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Describe hydatiform moles
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when the trophoblast develops and forms placental membranes although little or no embryonic tissue is present
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