What are the endocrine functions of the placenta?
How is the notochord structure formed?
Nmae extra embryonic membranes layers in vertebrates?
How is the yolk sac formed?
Explain gastrulation?
Explain notochord?
To which structures do coeloms give birth?
From which germ layer do the epidermis and the nervous system originate?
What is coelom?
What is the main function of placenta?
What is the chorioallantois membrane present in the embryonic development of reptiles and birds?
Are the extra embryonic membranes the same in all vertebrates?
Explain pericardium?
What is the cell division process directly related to the embryonic growth?
What is the function of the vitellus in the vertebrate egg?