To which structures do coeloms give birth?
From which germ layer do the liver and the pancreas originate? What are other organs and tissues made from that germ layer?
Explain foetal pole?
How is the neural tube formed? What is the embryonic origin of the nervous system in vertebrates?
Nmae extra embryonic membranes layers in vertebrates?
After the morula stage what is the next stage? What is the morphological feature that defines that stage?
What are the blastopore?
What are the four initial stages of the embryonic development?
What is gastrulation? How during gastrulation are the first two germ layers formed? Which are these germ layers?
Explain the embryonic development stages after formation of blastula?
How is the mesoderm of triploblastic animals formed?
What is placenta?
What is gastrulation?
Are the extra embryonic membranes the same in all vertebrates?
Is there exchange of cells between the mother and the fetus through the placenta?