What are the endocrine functions of the placenta?
Explain gastrulation?
When are archenteron and blastopore formed?
In which type of animals does the placenta exist?
What is the morphological feature that defines that stage?
What organogenesis?
What is coelom? To which structures do coeloms give birth? Are all animals coelomate?
Which hormones are produced by placenta?
From which germ layer does coeloms originate?
From which germ layer do the liver and the pancreas originate?
What are pleura?
Differentiate between amnion and chorion?
What is coelom? Are all animals coelomate?
Nmae extra embryonic membranes layers in vertebrates?
What is umbilical cord? And what are its functions?