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Tinea nigra, also known as superficial phaeohyphomycosis and Tinea nigra palmaris et plantaris, [2] is a superficial fungal infection, a type of phaeohyphomycosis rather than a tinea, that causes usually a single 1–5 cm dark brown-black, non-scaly, flat, painless patch on the palms of the hands and the soles of the feet of healthy people. [1 ...
yellow-white spots in the myocardium Branham's sign: Henry Branham: vascular surgery, nephrology: chronic kidney disease, hemodialysis: pressing on proximal portion of AV fistula results in bradycardia Braxton Hicks contraction: John Braxton Hicks: obstetrics: normal pregnancy "false labour". sporadic contractions beginning as early as mid 1st ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 28 December 2024. "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 ...
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 ...
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Sometimes, that happens unevenly, which produces spots or patches of pigmentation, like sun spots. People tend to notice sun spots starting in their 20s and 30s, Lamb says, and they become more ...
Acanthosis nigricans is a medical sign characterised by brown-to-black, poorly defined, velvety hyperpigmentation of the skin. [1] It is usually found in body folds, [2] such as the posterior and lateral folds of the neck, the armpits, groin, navel, forehead and other areas. [1]
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 ...