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In amniote embryology, the hypoblast is one of two distinct layers arising from the inner cell mass in the mammalian blastocyst, or from the blastodisc in reptiles and birds. The hypoblast gives rise to the yolk sac.
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cells epiblast primitive streak endoderm embryo cell inner mass birds area layers yolk mesoderm called layer fish sac nodal posterior
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Hypoblast | Days | 8 | 1.00 | infobox |
| Hypoblast | Gives rise to | Endoderm, yolk sac | 1.00 | infobox |
| Hypoblast | Latin | hypoblastus | 1.00 | infobox |
| Hypoblast | Precursor | Inner cell mass | 1.00 | infobox |
| Hypoblast | TE | E6.0.1.1.3.0.4 | 1.00 | infobox |
| Hypoblast | is a | layer of cells in fish and amniote embryos | 0.90 | text |
| Hypoblast | is a | inner layer of the thickened margin of the epibolizing blastoderm in the gastrulating fish embryo | 0.90 | text |
| the yolk sac | instance of | The hypoblast cells form parts of the other membranes | 0.80 | text |
| the stalk linking the yolk mass to the endodermal digestive tube | instance of | The hypoblast cells form parts of the other membranes | 0.80 | text |
| Hypoblast | related to Birds | In | 0.60 | section |
| Hypoblast | related to Birds | Koller's | 0.60 | section |
| Hypoblast | related to Birds | The Koller's | 0.60 | section |
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