What is placenta? What are its functions?

1

How does the embryo turn from gastrula into neurula? How is the neural tube formed? What is the embryonic origin of the nervous system in vertebrates?

5

After the neurula stage and from its ventral portion to the dorsal how can the morphology of the embryo be described?

5

What is the function of the umbilical cord?

5

How is the mesoderm of triploblastic animals formed?

1

Which is the extra embryonic membrane whose function is to store nitrogen wastes of the embryo?

1

Explain blastopore?

1

How is the yolk sac formed?

1

What are pericardium?

1

Explain notochord?

1

Explain foetal pole?

1

What are the functions of umbilical cord?

1

What is yolk sac?

1

What are somites?

5

How is the notochord structure formed?

1