After the blastula stage what is the following stage of the embryonic development? How is the passage from blastula to the next stage called?1
What is the function of the vitellus in the vertebrate egg? How are these eggs classified according to the amount of vitellus within them?1
What are the main substances transferred from the mother to the fetus through the placenta and from the fetus to the mother?1
What is the cell division during the first stage of the embryonic development called? How is this stage characterized?1
After the morula stage what is the next stage? What is the morphological feature that defines that stage?1
What is the function of the vitellus in the vertebrate egg? How are these eggs classified according to the amount of vitellus within them?
How does the embryo turn from gastrula into neurula?
Where do liver and pancreas originate from?
What are the blastopore?
What is gastrulation? How during gastrulation are the first two germ layers formed? Which are these germ layers?
In which type of animals does the placenta exist?
What are the archenteron and the blastopore?
What is umbilical cord?
How notochord structure id formed?
What is polyembryony?
Explain gastrulation? What stage follows gastrulation?
What are somites?
What is placenta?
Explain foetal pole?