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Identifying human races in terms of skin colour, at least as one among several physiological characteristics, has been common since antiquity.Such divisions appeared in early modern scholarship, usually dividing humankind into four or five categories, with colour-based labels: red, yellow, black, white, and sometimes brown.
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]
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". [132] [133] In general in the Arab world, the term "white" was used to refer to Arabs, Persians, Greeks, Turks, Slavs, and other peoples in the ...
These ends create thousands of tiny wounds in the skin, which puts the body's immune system into hyperdrive. Blood cells called macrophages go to the site of the wound and engulf the ink particles ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 2 March 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 ...
White women experience discrimination in education, with those women with darker skin graduating from college at lower rates than those with lighter skin. This precise and repeatable test of skin color revealed that white women experience skin color discrimination in education at levels that are consistent with the levels of skin color ...
Trichomycosis axillaris is a superficial bacterial colonization of the hair shafts in sweat gland–bearing areas, such as the armpits and the groin. It is a trivial disease of worldwide occurrence that is believed to be caused by the genus Corynebacteria.
A telltale sign you’re getting sick is excess mucus, and if you’ve ever been desperate to stop coughing and sneezing, you’ve likely examined your mucus color, from yellow to green, for signs ...