Ectodermal Dysplasia 7, Hair/nail Type, also known as ectd7, is related to woolly hair, autosomal dominant and hypotrichosis 7. An important gene associated with Ectodermal Dysplasia 7, Hair/nail Type is KRT74 (Keratin 74), and among its related pathways/superpathways are Keratinization and Hair follicle development: cytodifferentiation - part 3 of 3. Affiliated tissues include skin, and related phenotypes are sparse scalp hair and dystrophic toenail