You searched for: “leukotrichias
leukotrichia (s) (noun), leukotrichias (pl)
Whiteness of the hair, or whiteness in a certain area: Jane's mother noticed a white spot of hair on the back of Jane's head, and after seeing their family doctor, she was informed that her daughter had a condition of leukotrichia, which was harmless due to a lack of any other symptoms.