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प्रश्न
What is the contribution of the allantois to embryonic development?
पर्याय
It contributes to umbilical structures and vessels
It forms the amnion and amniotic fluid
It forms the outer protective layer of the embryo
It develops into the nervous system
MCQ
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उत्तर
The allantois is an extra-embryonic membrane that contributes to the development of umbilical structures and blood vessels. These allantoic vessels form the umbilical arteries and vein, which are essential for maternal-fetal circulation and nutrient/waste exchange through the developing placenta.
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