百度试题 结果1 题目What does the pigment melanin determine in the body? A. the color of the skin B. the color of the eye C. the color of the hair D. all of the above 相关知识点: 试题来源: 解析 A 反馈 收藏
Melanin is the name of the biological pigment that determines the general color of skin and hair in humans. Forms of melanin are responsible for coloration throughout the animal world; for example, wing coloration in birds is produced by melanin. In addition, the cells that produce melanin, ca...
adjective Black;very dark brown. Melanotic refers to melanin (which gives pigment to the skin); melaenic refers to melaena (dark, tarry faeces associated with gatrointestinal haemorrhage). Melanic Meaning 40 related questions found What is labial lentigo? A labial lentigo, also called a labial ...
What is pigmentation? Pigmentation is caused by the distribution of melanin, a black or brown pigment molecule, under your skin. This pigment exists to protect your skin cells from the sun, and everybody has it. But normally, we don’t notice a nice, even distribution of melanin. We just...
Melanin is the pigment that gives your skin its natural beautiful colour. But, out-of-whack hormones and excessive sun exposure can trigger the overproduction of melanin in certain areas. Hello, dark spots! They’re not the only culprits, by the way. Inflammatory skin disorders, like eczema ...
What Is Melanin? The Need For Vitamin D The Genetic Side Of Things The expression of pigment is controlled by six maingenesin the body, and this genetic makeup is largely determined by your parents and the generations that came before them. That’s hownatural selectionworks. ...
Once the melanin is made, the melanosomes migrate to the dendrite tips of the melanocytes, where they can pass the melanin off to other skin cells called keratinocytes. Because these cells are closer to the surface of the skin, the pigment that they receive is visible on your skin. ...
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Melanin is a substance that gives skin and hair its color. Also called pigment, a lack of melanin can cause...
Melanin is the pigment that gives skin color. Melanoma can occur anywhere on the skin. However, it mostly occurs in areas that are exposed to the sun such as legs, back, arms, and face. Symptoms of melanoma include a change in an existing mole or a new pigmented growth on the skin....