<unk>  (also known as "Pseudo<unk>  annulati":640) is an anomaly of human hair that mimics<unk>  annulati; however, the two differ in that the light bands of<unk>  annulati are caused by internal effects, whereas the bright segments of<unk>  are caused by reflection and refraction of light by flattened, twisted surfaces of hair.:767
Pili pseudoannulati
Pili annulati
Dens evaginatus
Balanitis circinata
Erythroplasia of Queyrat
Pachyonychia congenita
Linitis plastica
Keratosis pilaris