👉 Ectoderm (from Latin "ectodermus", meaning "middle") is a type of organ, primarily found in animals. It is composed of mesenchymal and amnion cells that give rise to various organs and tissues. Mesenchymal cells are responsible for the formation of connective tissue and cartilage. Amnion cells, or mesodermal cells, are involved in the development of organs such as the heart, liver, and lungs. Ectod
