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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 ...
Human blood in veins is not actually blue. Blood is red due to the presence of hemoglobin; deoxygenated blood (in veins) has a deep red color, and oxygenated blood (in arteries) has a light cherry-red color. Veins below the skin can appear blue or green due to subsurface scattering of light through the skin, and aspects of human color ...
Hypochromic anemia was historically known as chlorosis or green sickness for the distinct skin tinge sometimes present in patients, in addition to more general symptoms such as a lack of energy, shortness of breath, dyspepsia, headaches, a capricious or scanty appetite and amenorrhea.
Skip the skin undertones chart or quiz. We asked professional makeup artists how to tell if your skin has warm, cool or neutral tones, plus what makeup suits.
Here's a good lay description for the blue/green appearance of veins. [1] Note that it does not mention subcutaneous fat, but describes the color as a function of how light interacts with skin and blood, and throws in some psychological factors of color perception.
Olive skin is a human skin tone. It is often associated with pigmentation in the Type III, [ 1 ] [ 2 ] Type IV, and Type V ranges of the Fitzpatrick scale . [ 3 ] [ 4 ] It generally refers to moderate or lighter tan or brownish skin, and it is often described as having tan, brown, cream, greenish, yellowish, or golden undertones.
Look for a red, bumpy rash, strawberry-colored tongue, flushed face, fever, sore throat, and red lines in the folds of skin around the armpits, knees, neck, groin, and elbows.
Superficial veins are important physiologically for cooling of the body. When the body is too hot, the body shunts blood from the deep veins to the superficial veins to facilitate heat transfer to the body's surroundings. Superficial veins are often visible underneath the skin.