achromotrichia
English edit
Etymology edit
a- + chromo- + trich- + -ia
Noun edit
achromotrichia (uncountable)
- The absence (or loss) of pigmentation in the hair.
- 1942, Mary Louise Johnson, The physiological effects of egg white in the diet, page 59:
- Severe achromotrichia (graying) and alopecia (loss of hair) were produced in weanling and adult black mice […]
- 1987, Vitamin Tolerance of Animals[1], page 67:
- Most pantothenic acid-deficient laboratory animals exhibit dermatitis, achromotrichia, and nasal porphyrin excretion.
- 2006, Nutrient Requirements of Dogs and Cats[2], page 231:
- Clinical signs of biotin deficiency include accumulation of salivary, nasal, and lachrymal secretions, progressive alopecia, achromotrichia, dermatitis, body weight loss, and diarrhea in the terminal stages of the deficiency.
Translations edit
absence of pigmentation in the hair
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