Ectodermal Dysplasia 5, Hair/nail Type, also known as ectodermal dysplasia 5, is related to woolly hair, autosomal dominant and hypotrichosis 7. An important gene associated with Ectodermal Dysplasia 5, Hair/nail Type is ECTD5 (Ectodermal Dysplasia 5, Hair/Nail Type), and among its related pathways/superpathways are Keratinization and Hair follicle development: cytodifferentiation - part 3 of 3. Related phenotypes are sparse scalp hair and dystrophic fingernails