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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
Which is the extra embryonic membrane whose function is to store nitrogen wastes of the embryo?
Genetically what are the two types of twins that can be generated?
Which cells are produced in the first stage of embryonic development?
What is the cell division process directly related to the embryonic growth?
What are the destinations of the archenteron and of the blastopore?
What are the cells produced in the first stage of the embryonic development called?
What is the chorioallantois membrane present in the embryonic development of reptiles and birds?
What are peritoneum?
How notochord structure id formed?
Why can the amnion also be considered an adaptation to terrestrial life?
What are the main substances transferred from the mother to the fetus through the placenta and from the fetus to the mother?
What is coelom? To which structures do coeloms give birth? Are all animals coelomate?
Explain pericardium?
What is the embryonic origin of the nervous system in vertebrates?
What is gastrulation? How during gastrulation are the first two germ layers formed? Which are these germ layers?
