Gastrulation

Imagine organizing a messy closet where clothes, shoes, and accessories are scattered everywhere, and you need to sort them into distinct categories. This is similar to the process of gastrulation, where initially disorganized cells in the blastocyst cavity migrate to form a structured, three-layered embryo. Just as you move your clothing items into specific sections to create an organized closet, cells migrate and organize into the ectoderm, mesoderm, and endoderm layers, each with a distinct role in developing the embryo, turning chaos into order.