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Write about the embryonic membranes that nourish, protect and support to the embryo? |
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Answer» 1. The growing embryo form two membranes – Chorion and Amnion. 2. Chorion establishes connection with the walls of the uterus and helps in the supply of nutrients to the embryo and in the removal of wastes from the embryo. 3. Amnion forms a sac like structure around the embryo and amniotic fluid is present between layers of Amnion. 4. Amnion and Amniotic fluid give protection to the embryo against mechanical shocks. 5. Placenta is a tissue formed around 12 weeks of pregnancy by the cells from the embryo and mother. 6. Embryo receives all the required nutrients and oxygen for its metabolism from the mother through the blood vessels present in the placenta. 7. Another membrane called allantois, which originates from the digestive canal of the embryo forms the major part of a tube like structure called umbilical cord. 8. Umbilical cord contains very important blood vessels that connect the embryo with the placenta. |
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