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  • In terms of their layered structures, which layers are shared between the allantois and the yolk sac?Option: 1 Outer Mesoderm and Inner Endoderm<

In terms of their layered structures, which layers are shared between the allantois and the yolk sac?

Option: 1

Outer Mesoderm and Inner Endoderm


Option: 2

Outer Endoderm and Inner Mesoderm


Option: 3

Outer Endoderm and Inner Ectoderm


Option: 4

Outer Endoderm and Inner Endoderm


Answers (1)

best_answer

The allantois and the yolk sac both have similar layered structures consisting of an outer layer called the mesoderm and an inner layer called the endoderm.

The mesoderm is the middle germ layer that forms various tissues and organs in the body. In the case of the allantois and the yolk sac, the outer layer is composed of mesoderm.

The endoderm, on the other hand, is the innermost germ layer that gives rise to the lining of the digestive tract, respiratory tract, and several other internal organs. In the case of both the allantois and the yolk sac, the inner layer is composed of endoderm.

Therefore, the correct answer is Option 1.

 

Posted by

Rishabh

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