👉 Gastrulation is a process that occurs during embryonic development in mammals, where the inner cells of the embryo start to divide and differentiate into specialized cell types. It's important because it allows for the formation of the lining of the endometrium (the lining of the uterus) after fertilization, which plays a crucial role in pregnancy. Gastrulation is also known as gastrulation or meiosis I in humans. The process starts with the formation of zygotes and involves the division of
