Specialty medical genetics ICD-9-CM 757.4 | ICD-10 Q84.1 (ILDS Q84.110) | |
Pili annulati (also known as "Ringed hair") is a genetic trait in which the hair seems banded by alternating segments of light and dark color when seen in reflected light.
In popular culture
R. Austin Freeman used Pili annulati as a plot point in his book The Jacob Street Mystery (1942), published in the USA as The Unconscious Witness.
References
Pili annulati Wikipedia(Text) CC BY-SA