The ectoderm,”Forms the outer layer of the gastrula.Development of Epidermis of skin and its derivatives (including sweat glands
hair follicles):• Epithelial lining of mouth and rectum• Sense receptors in epidermis• Cornea and lens of eye• Nervous system• Adrenal medulla• Tooth enamel• Epithelium or pineal and pituitary glands”