From which germ layer do the epidermis and the nervous system originate? What are other organs and tissues made from that germ layer?
1What is the stage of the embryonic development in which these structures are formed? What are the destinations of the archenteron and of the blastopore?
1
What is the difference between amnion and chorion?
Explain archenteron?
Explain the morphology of an embryo from ventral to dorsal portion after neural stage?
What are the archenteron and the blastopore? What is the stage of the embryonic development in which these structures are formed? What are the destinations of the archenteron and of the blastopore?
What are histogenesis and organogenesis?
What is the embryonic origin of the nervous system in vertebrates?
Name the three types of germ layers that form tissues and organs in animals?
What is the significance of placenta?
Which is the extra embryonic membrane whose function is to store nitrogen wastes of the embryo? Is this function present in placental mammalian embryos?
What is the function of the yolk sac?
What is the germ layer from which the coeloms originate?
How during gastrulation are the first two germ layers formed? Which are these germ layers?
Explain the difference between amnion and chorion?
Explain peritoneum?
What are histogenesis?
