achromotrichia

ach·ro·mo·trich·i·a

(ă-krō'mō-trik'ē-ă),
Absence or loss of pigment in the hair.
See also: canities.
[G. a- priv. + chrōma, color, + thrix, hair]

achromotrichia

A term that is now rarely used in the working medical parlance for the absence or loss of pigment in hair.

achromotrichia

Absence or loss of pigment in hair

achromotrichia

loss or absence of pigment in hair. It may be complete or patchy, affect the length of the fiber or be in well-defined bands or speckled. Can be caused by nutritional deficiency, selective freezing, radiation or pressure. See also vitiligo, copper nutritional deficiency, snowflakes.
References in periodicals archive ?
The goat had low body score, hyporexia, alopecia, achromotrichia (markedly around the eyes) and in the neurologic assessment presented stiff and unbalanced gait, left hindlimb protraction, paralysis with dragging of digit and difficulty to stand up (Figure 1A, 1B and 1C).
In copper-deficient ruminants, a wide variation in the clinical signs of adult animals could be observed, including anemia, weight loss, achromotrichia, alopecia, and diarrhea at the onset of clinical signs (TOKARNIA et al.
SkQs prolonged life of different organisms [68], helped animals to survive after brain and kidney ischemia [69], stroke, and heart attack [64], and decelerated the development of many age-related pathological states, such as cataract and some other eye diseases, balding, achromotrichia, lordokyphosis, and myeloid shift of the blood [20].
The exact mechanism of depigmentation of skin includes breakdown in conversion of tyrosine to melanin because of reduced tyrosinase activity resulting in achromotrichia and leukoderma in copper deficiency (Underwood, 1977).