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After the blastula stage what is the following stage of the embryonic development? How is the passage from blastula to the next stage called?
5What is the function of the vitellus in the vertebrate egg? How are these eggs classified according to the amount of vitellus within them?
5What are the main substances transferred from the mother to the fetus through the placenta and from the fetus to the mother?
5What is the cell division during the first stage of the embryonic development called? How is this stage characterized?
5After the morula stage what is the next stage? What is the morphological feature that defines that stage?
5
To which structures do coeloms give birth?
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?
In which type of animals does the placenta exist?
How is the mesoderm of triploblastic animals formed?
What is the cell division process directly related to the embryonic growth?
What is the function of the vitellus in the vertebrate egg? How are these eggs classified according to the amount of vitellus within them?
What are the archenteron and the blastopore? What is the stage of the embryonic development in which these structures are formed?
What is placenta?
What is the function of the vitellus in the vertebrate egg?
How is the neural tube formed? What is the embryonic origin of the nervous system in vertebrates?
Explain histogenesis?
Explain blastopore?
How is the yolk sac formed? What is the function of the yolk sac?
What is the significance of placenta?
From which germ layer does coeloms originate?
