<unk>  (also known as "Ringed hair") is a peculiar disease in which the hair seems banded by alternating segments of light and dark color when seen in reflected light.:767:640
Pili annulati
Pili pseudoannulati
Balanitis circinata
Keratosis pilaris
Erythroplasia of Queyrat
Lichen striatus
Hydroa vacciniforme
Telangiectasia Macularis Eruptiva Perstans