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Learn about the anatomy, biochemistry, and cultural aspects of hair, a protein filament that grows from follicles in the skin. Find out how hair is composed of layers, colors, and shapes, and how it varies by race and gender.
- Hair (musical) - Wikipedia
Hair: The American Tribal Love-Rock Musical is a rock ...
- Hair - Simple English Wikipedia, the free encyclopedia
Hair - Simple English Wikipedia, the free encyclopedia. ...
- Hair (musical) - Wikipedia
Hair is a 1960s musical that reflects the creators' observations of the hippie movement and the anti-Vietnam War protests. It features a racially integrated cast, nudity, drugs, and songs that became anthems of the era.
- Gerome Ragni, James Rado
- 1967
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髮色 - 维基百科，自由的百科全书. 髮色 為頭髮 毛囊 色素沉着而形成之互異顏色，決定髮色的因子是由黑色素之兩種不同型態所支配： 真黑色素 （eumelanin）及褐黑素（pheomelanin）。 一般而言，黑色素較多則髮色則較深，反之則較淺。 單一個體的髮色可能隨時間演進而導致 黑色素 變化，進而產生改變。 少數情況之下，甚至會產生多髮色的現象。 部分特殊髮色與族群血緣相關。 然而，隨著移民現象與全球人口交移往來，在單一民族下個體髮色群中已產生了多種顯著變異，因而導致多種新生髮色的衍生。 生物性遺傳學理. 髮色起因於兩種互異的色素型態組合： 真黑色素 （eumelanin）及 褐黑素 （pheomelanin）。
Human hair color is the pigmentation of human hair follicles and shafts due to two types of melanin: eumelanin and pheomelanin. Generally, the more melanin present, the darker the hair. Its tone depends on the ratio of black or brown eumelanin to yellow or red pheomelanin.
Hair - Simple English Wikipedia, the free encyclopedia. Long, brown hair. Hair is something that grows from the skin of mammals. Hair is made of keratins, which are proteins. Animal hair is usually called fur. Sheep and goats have curly hair, called wool. Wool is used to make many products, like clothing and blankets.
2024年8月14日 · Hair, in mammals, the characteristic threadlike outgrowths of the outer layer of the skin (epidermis) that form an animal’s coat, or pelage. Hair is present in differing degrees on all mammals. On adult whales, elephants, sirenians, and rhinoceroses body hair is
Hair is one of the defining characteristics of mammals. The human body, apart from areas of glabrous skin, is covered in follicles which produce thick terminal and fine vellus hair. Most common interest in hair is focused on hair growth, hair types, and hair care, but hair is also an important biomaterial primarily composed of protein, notably ...
