The process of gastrulation takes place in the third week of the embryo’s life. In this process, the ectoderm, mesoderm, and endoderm (i.e. three germ layers) develop. All the tissues from the baby-to-be are formed from this layers.
By Miguel Barea Gómez MD, MSc (gynecologist), Zaira Salvador BSc, MSc (embryologist) and Marie Tusseau (invitra staff).
Last Update: 08/19/2015