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
How does the embryo turn from gastrula into neurula?
In which type of animals does the placenta exist?
What is the function of the umbilical cord?
Explain foetal pole?
How does the embryo turn from gastrula into neurula? How is the neural tube formed?
How is the neural tube formed?
What are the cells produced in the first stage of the embryonic development called?
What is coelom?
What is the significance of placenta?
What are other organs and tissues made from that germ layer?
From which germ layer do the epidermis and the nervous system originate? What are other organs and tissues made from that germ layer?
What are the archenteron and the blastopore? What is the stage of the embryonic development in which these structures are formed?
What are pericardium?
What are extra embryonic membranes? Name these layers in vertebrates?