Search results
Results From The WOW.Com Content Network
Light skin is a human skin color that has a low level of eumelanin pigmentation as an adaptation to environments of low UV radiation. [1] [2] Due to migrations of people in recent centuries, light-skinned populations today are found all over the world. [2] [3] Light skin is most commonly found amongst the native populations of Europe, East Asia ...
The color adjectives used in 1779 are weiss "white" ( Caucasian race ), gelbbraun "yellow-brown" ( Mongolian race ), schwarz "black" ( Aethiopian race ), kupferrot "copper-red" ( American race) and schwarzbraun "black-brown" ( Malayan race ). [11] Blumenbach belonged to a group known as the Göttingen school of history, which helped to ...
Eye color is a polygenic phenotypic trait determined by two factors: the pigmentation of the eye 's iris [1] [2] and the frequency-dependence of the scattering of light by the turbid medium in the stroma of the iris. [3] : 9. In humans, the pigmentation of the iris varies from light brown to black, depending on the concentration of melanin in ...
Drug-induced pigmentation of the skin may occur as a consequence of drug administration, and the mechanism may be postinflammatory hyperpigmentation in some cases, but frequently is related to actual deposition of the offending drug in the skin. [2] : 125–6 The incidence of this change varies, and depends on the type of medication involved.
Olive skin. Olive skin is a human skin tone. It is often associated with pigmentation in the Type III [1] [2] to 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.
Earth tone is a term used to describe a palette of colors that are similar to natural materials and landscapes. These colors are inspired by the earth's natural hues, including browns, greens, grays, and other warm and muted shades. The term earth tone first became popular in the 1970s during the environmental movement, as people sought to ...
Cyanosis is the change of body tissue color to a bluish-purple hue, as a result of decrease in the amount of oxygen bound to the hemoglobin in the red blood cells of the capillary bed. [1] Cyanosis is apparent usually in the body tissues covered with thin skin, including the mucous membranes, lips, nail beds, and ear lobes. [1]
The ethnicity of Cleopatra VII, the last active Hellenistic ruler of the Macedonian -led Ptolemaic Kingdom of Egypt, has caused debate in some circles. [2] [3] There is a general consensus among scholars that she was predominantly of Macedonian Greek ancestry and minorly of Iranian descent ( Sogdian and Persian ).