What are somites?
Which hormones are produced by placenta? What is their significance?
What is the function of the yolk sac?
What is the significance of placenta?
What is gastrulation? How during gastrulation are the first two germ layers formed?
Explain pericardium?
Where do liver and pancreas originate from?
What is the cell division during the first stage of the embryonic development called? How is this stage characterized?
What is the embryonic origin of the nervous system in vertebrates?
From which germ layer do the epidermis and the nervous system originate? What are other organs and tissues made from that germ layer?
Define polyembryony?
What are the archenteron?
After the morula stage what is the next stage?
What is placenta? What are its functions?
Differentiate between amnion and chorion?