Gastrulation - Mammalian Development (Mouse)

Question 1

What happens after implantation (remember this is pre-gastrulation)

Answer 1

the embryo takes on a cylindrical structure that has well defined extra-embryonic and embryonic regions which will give rise to Proximal Distal (PD) axis. During this

Question 2

What are extra-embryonic regions?

Answer 2

regions that develop parallel to the embryo and are important in the development in the embryo but will never become a part of the embryo.

Question 3

What are embryonic regions?

Answer 3

Regions that develop with the embryo and are a part of the embryo.