hy·po·pig·men·ta·tion (h  p -p gm n-t  shn)n. Diminished pigmentation, especially of the skin. |
Hypopigmentation
A skin condition that occurs when the body has too little melanin, or pigment.
Mentioned in: Skin Pigmentation Disorders
hypopigmentation
[-pig′məntā′shən]
Etymology: Gk, hypo + L, pigmentum, paint
unusual lack of skin color, but not complete lack of pigment as seen in albinism. Compare hyperpigmentation.
hypopigmentation
abnormally decreased pigmentation.
acquired hypopigmentation
following skin injury in horses; hyperpigmentation the rule in other species. In dogs depigmentation, due to damage of basal keratinocytes, due usually to immune-mediated diseases, e.g. lupus erythematosus. Skin depigmentation, such as occurs in human vitiligo, is recorded in dogs and horses.
congenital hypopigmentation
see albinism.
epidermal hypopigmentation
due to defective melanization as a result of defective melanocytes in the skin or to their damage or destruction after birth.
hair hypopigmentation
leukotrichia.
hereditary hypopigmentation
see albinism; piebaldism.
skin hypopigmentation
leukoderma.
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