Ectodermal Dysplasia, Hidrotic, Christianson-Fourie Type, is also known as hidrotic ectodermal dysplasia, christianson-fourie type. An important gene associated with Ectodermal Dysplasia, Hidrotic, Christianson-Fourie Type is GJB6 (Gap Junction Protein Beta 6). Affiliated tissues include skin, and related phenotypes are abnormality of the nail and sparse scalp hair