The extra-embryonic membrane which provides a fluid-filled environment for developing fetus is
Correct answer: D. Amnion
- A. Chorion
- B. Allantois
- C. Yolk sac
- D. Amnion
Explanation
The amnion is an important extraembryonic membrane throughout development. The fluid in this sac supports and protects the fetus against mechanical shock and supplies water and other materials to the fetus.
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About Embryonic Development
Embryonic development begins after fertilization with cleavage and formation of the morula and blastula, followed by gastrulation and the establishment of germ layers. It includes organ formation, tissue differentiation and early growth, rather than the later increase in size associated with postnatal development.
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