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Extra structure that provides nutrition ...

Extra structure that provides nutrition to embryo is
(a) Umbilicus
(b) Amnion
(c) Chorion
(d) Placenta

A

Umbilicus

B

Amnion

C

Chorion

D

Placenta.

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question regarding which extra structure provides nutrition to the embryo, we will analyze each option provided: ### Step-by-Step Solution: 1. **Understanding the Question**: The question asks for an extra structure that provides nutrition to the embryo. We need to identify which of the given options fulfills this role. 2. **Evaluating Option (a) Umbilicus**: - The umbilicus is the scar left after the umbilical cord is cut and does not provide any nutritional support to the embryo. - **Conclusion**: This option is incorrect. 3. **Evaluating Option (b) Amnion**: - The amnion is a membrane that surrounds the embryo and contains amniotic fluid, which protects the embryo but does not provide nutrition. - **Conclusion**: This option is incorrect. 4. **Evaluating Option (c) Chorion**: - The chorion is one of the extra embryonic membranes, and while it plays a role in the formation of the placenta, it does not directly provide nutrition to the embryo. - **Conclusion**: This option is incorrect. 5. **Evaluating Option (d) Placenta**: - The placenta is a specialized structure that develops from the chorion and is responsible for nutrient and gas exchange between the mother and the embryo. It provides essential nutrients to the developing embryo. - **Conclusion**: This option is correct. 6. **Final Answer**: The extra structure that provides nutrition to the embryo is **(d) Placenta**.
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