Answer / Sumit Kanojiya

The notochord is a rod-like structure that runs along the length of an embryo's body and provides initial support and flexibility. It is present in chordate animals, including humans during early development.

How is the mesoderm (third germ layer) of triploblastic animals formed?

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Explain the difference between amnion and chorion?

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What are the destinations of the archenteron and of the blastopore?

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What are pleura?

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What are the main substances transferred from the mother to the fetus through the placenta and from the fetus to the mother?

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Explain pleura?

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What is the function of the vitellus in the vertebrate egg? How are these eggs classified according to the amount of vitellus within them?

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What is the function of the vitellus in the vertebrate egg?

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What is the stage of the embryonic development in which these structures are formed? What are the destinations of the archenteron and of the blastopore?

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What is the morphological feature that defines that stage?

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From which germ layer do blood cells originate?

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In which type of animals does the placenta exist?

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