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Vitiligo (/ ˌ v ɪ t ɪ ˈ l aɪ ɡ oʊ /, vit-il-eye-goh) is a chronic autoimmune disorder that causes patches of skin to lose pigment or color. [1] The cause of vitiligo is unknown, but it may be related to immune system changes, genetic factors, stress, or sun exposure.
Palmoplantar keratoderma and spastic paraplegia (also known as "Charcot–Marie–Tooth disease with palmoplantar keratoderma and nail dystrophy" [1]) is an autosomal dominant or x-linked dominant condition that begins in early childhood with thick focal keratoderma over the soles and, to a lesser extent, the palms. [1]: 513
The medieval Arab world used various terminology for people in reference to their skin colour with terms like al-bidan and al-abyad meaning "white people" and al-Sudan and Zanj meaning "black people". [126] [127] In general in the Arab world, the term "white" was used to refer to Arabs, Persians, Greeks, Turks, Slavs, and other peoples in the ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 19 January 2025. "Skin pigmentation" redirects here. For animal skin pigmentation, see Biological pigment. Extended Coloured family from South Africa showing some spectrum of human skin coloration Human skin color ranges from the darkest brown to the lightest hues. Differences in skin color among ...
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A beauty mark or beauty spot is a euphemism for a type of dark facial mark so named because such birthmarks are sometimes considered an attractive feature. [1] Medically, such "beauty marks" are generally melanocytic nevus, more specifically the compound variant. Moles of this type may also be located elsewhere on the body, and may also be ...
White spots on nails, also known as leukonychia, are usually harmless but may indicate a medical condition. Dermatologists explain common causes and treatment. What Dermatologists Want You to Know ...
Leucism (/ ˈ l uː s ɪ z əm,-k ɪ z-/) [2] [3] [4] is a wide variety of conditions that result in partial loss of pigmentation in an animal—causing white, pale, or patchy coloration of the skin, hair, feathers, scales, or cuticles, but not the eyes. [4] It is occasionally spelled leukism.