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 during gastrulation are the first two germ layers formed? Which are these germ layers?
What are histogenesis and organogenesis?
Explain peritoneum?
What are the extra embryonic membranes present in vertebrates?
What is the function of the umbilical cord?
Where do liver and pancreas originate from?
What is the embryonic origin of the nervous system in vertebrates?
What is gastrulation? How during gastrulation are the &rst two germ layers formed? Which are these germ layers?
What are the cells produced in the first stage of the embryonic development called?
What is the significance of placenta?
What is notochord?
What is coelom? To which structures do coeloms give birth?
What is notochord? How is this structure formed?
Explain the morphology of an embryo from ventral to dorsal portion after neural stage?
Which cells are produced in the first stage of embryonic development?