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Many skin conditions require a skin biopsy for confirmation of the diagnosis. With several of these conditions there are features within the cells contained in the skin biopsy specimen that have elements in their cytoplasm or nucleus that have a characteristic appearance unique to the condition. These elements are termed inclusion bodies.
Aeta (Ayta / ˈ aɪ t ə / EYE-tə), Agta and Dumagat, are collective terms for several indigenous peoples who live in various parts of Luzon islands in the Philippines.They are included in the wider Negrito grouping of the Philippines and the rest of Southeast Asia, with whom they share superficial common physical characteristics such as: dark skin tones; short statures; frizzy to curly hair ...
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.
Hyperpigmentation can be diffuse or focal, affecting such areas as the face and the back of the hands. Melanin is produced by melanocytes at the lower layer of the epidermis . Melanin is a class of pigment responsible for producing color in the body in places such as the eyes, skin, and hair.
Skin whitening, also known as skin lightening and skin bleaching, is the practice of using chemical substances in an attempt to lighten the skin or provide an even skin color by reducing the melanin concentration in the skin. Several chemicals have been shown to be effective in skin whitening, while some have proven to be toxic or have ...
A woman with dark skin. Dark skin is a type of human skin color that is rich in melanin pigments. [1] [2] [3] People with dark skin are often referred to as black people, [4] although this usage can be ambiguous in some countries where it is also used to specifically refer to different ethnic groups or populations. [5] [6] [7] [8]
Mexicans with the lightest skin tones complete an average of 11 years of schooling, while dark-skinned Mexicans finish an average of 5.3 years of school. A maximal change in skin tone, from lightest to darkest, is associated with a decrease of almost 6 years of schooling, a 51.8% reduction in education. [75]
After World War II, President Manuel Roxas issued Executive Order (EO) No. 94 on October 4, 1947, creating the Department of Commerce and Industry (DCI). [4] Cornelio Balmaceda, a much sought-after professor of economics and director of the Bureau of Commerce (BOC), was appointed acting secretary of the newly created Department of Commerce and Industry.