<unk>  is a genetic mutation in the "hair matrix and cuticle keratin KRTHB5 gene" that causes ectodermal dysplasia of hair and<unk>  type. Manifestations of this disorder include onychodystrophy and severe hypotrichosis. It represents as an autosomal dominant trait.
Pure hair-nail type ectodermal dysplasia
Hypohidrotic ectodermal dysplasia
Tricho–rhino–phalangeal syndrome type 2
Yemenite deaf-blind hypopigmentation syndrome
Greig cephalopolysyndactyly syndrome
Letterer–Siwe disease
Irlen syndrome
Sabinas brittle hair syndrome