| 11. | The fry swim after seven days and absorb the yolk sac in two weeks.
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| 12. | Among these is a fluid yolk sac that forms directly below the embryo proper.
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| 13. | During this period, the fry survive by consuming the remains of their yolk sacs.
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| 14. | This membrane along with hypoblast forms the primary yolk sac.
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| 15. | The actual yolk sac however does not directly supply nutrients to the developing embryo.
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| 16. | Other less common liver cancers include carcinosarcomas, teratomas, yolk sac tumours, carcinoid tumours and lymphomas.
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| 17. | Other articles that you may want to check out are Mammalian embryogenesis and Yolk sac.
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| 18. | LMO2 encodes a cysteine-rich, two LIM domain protein that is required for yolk sac erythropoiesis.
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| 19. | Reproduction is ovoviviparous with embryos receiving nourishment from a yolk sac while remaining inside the mother.
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| 20. | There is a correlation between having a single yolk sac and having a single amniotic sac.
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