👉 Ectoderm is a specialized layer of cells, primarily found in the upper layers of an organism's body. It contains the embryonic tissues and organs that develop from the germ layer of the embryo. Ectoderm includes the following structures:
1.
Epithelial Cells
: These are the soft, waxy cells lining the surface of the body. They protect and support the internal organs.
2.
Endothelial Cells
: These are similar to epithelial cells but have a