Ectodermal dysplasia is a large group of inherited disorders characterised by a primary defect in hair, teeth, nails or sweat gland function, in addition to another abnormality in any tissue of ectodermal origin. These are ears, eyes, lips, mucous membranes of the mouth or nose, and the central nervous system. The ectoderm is the outermost layer of cells in embryonic development and contributes to the formation of many […]