What type of tissue does the ectoderm NOT give rise to?

The ectoderm is one of the three primary germ layers in early embryonic development and is primarily responsible for forming structures related to the skin and nervous system. It develops into various tissues, including the skin and its associated structures, the nervous system, and sensory organs.

The correct answer highlights that the ectoderm does not give rise to the digestive tract. The digestive tract originates from the endoderm, which is the innermost germ layer. The endoderm is responsible for producing the lining of the gastrointestinal tract as well as organs such as the liver and pancreas. Thus, while the ectoderm contributes significantly to the formation of the skin, nervous tissue, and sensory cells, the development of the digestive system is solely the role of the endoderm. Understanding these embryological derivations clarifies the functions of each germ layer in tissue development.