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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
How does the embryo turn from gastrula into neurula? How is the neural tube formed?
Explain coeloms. From which germ layer does it originate?
To which structures do coeloms give birth?
What are peritoneum?
What is the cell division process directly related to the embryonic growth?
Nmae extra embryonic membranes layers in vertebrates?
Explain the difference between amnion and chorion?
What are twins? Genetically what are the two types of twins that can be generated?
What are the four initial stages of the embryonic development?
How during gastrulation are the first two germ layers formed? Which are these germ layers?
What are the endocrine functions of the placenta?
What is coelom?
What is gastrulation?
How during gastrulation are the first two germ layers formed?
What is polyembryony?
