| 1. | These contents digest the jelly coat and eventually the vitelline membrane.
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| 2. | Different taxa show different cellular and acellular envelopes englobing the vitelline membrane.
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| 3. | Each egg contains about 24 vitelline cells and a central unembryonated ovum.
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| 4. | It causes damage of the integument and vitelline duct.
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| 5. | The mucopolysaccharides attract water to raise the vitelline membrane.
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| 6. | In the fetus the ileum is connected to the navel by the vitelline duct.
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| 7. | It receives blood from the vitelline vein, umbilical vein and common cardinal vein.
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| 8. | Among other organic products, legumine and vitelline also formed materials for his investigations.
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| 9. | Egg-shell is produced by integration of shell material droplets from vitelline cells.
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| 10. | Through these molecules the vitelline membrane is transformed into the fertilization membrane or fertilization envelope.
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