关于防晒霜是否能有效减少黑色素瘤，争议仍然存在——相较于预防其他皮肤癌，防晒霜能减少黑色素瘤的证据还不充分。
There is continuing debate as to how effective sunscreen is in reducing melanomas—the evidence is weaker than it is for preventing other types of skin cancer.
相反，蓝眼睛的人有一种褐色色素，被称之为黑色素，位于虹膜背部，但在虹膜前部黑色素浓度较低。
Instead, people with blue eyes have a brown pigment, known as melamin, at the back of their irises but have low concentrations of melanin in the front of their irises.
总的来说，皮肤的颜色是由皮肤中一种叫做黑色素细胞产生黑色素多少而定的。
Overall skin coloration is determined by the degree to which cells in the skin called melanocytes produce the pigment melanin.
将近半数的黑色素瘤患者都有BRAF基因突变，从而导致黑色素肿瘤细胞继续生长。
About half of all melanoma patients have a mutated BRAF gene. This mutation tells the cell to continue to grow.
2008年举行活动这天确诊的病例中，3000多例为基底细胞癌(非黑色素瘤类)，354例为恶性黑色素瘤，这是最致命的皮肤癌类型。
Of the cases identified on the campaign day in 2008, more than 3000 were basal cell carcinomas (non-melanomas) and 354 were malignant melanomas, the most deadly type of skin cancer.
人们用黑丝带引发公众对黑色素瘤的关注。黑色素瘤有引发皮肤癌变的可能。
The black ribbon has been used as a symbol of melanoma awareness before its adoption to other things.
上个月，针对全国范围51 704例黑色素瘤病例的流行病学研究显示，头皮和脖颈处黑色素瘤致命比例之高异乎寻常。
Last month, an epidemiological study of 51, 704 melanoma cases nationwide showed that melanomas of the scalp and neck are disproportionately fatal.
有雀斑的人呢，他们的黑色素细胞数量是正常的，只是他们的黑色素细胞产生了一些黑素。
People with freckles have a normal number of melanocytes; their melanocytes just create clusters of melanin.
丹佛市39岁的JolantaStettler，被告知她患了眼黑色素瘤并且最多只有6个月可活；黑色素瘤是一种眼部少见肿瘤，而且病情已经播散到肝脏。
Jolanta Stettler, 39, of Denver, was told she had less than six months to live after getting a diagnosis of ocular melanoma, a rare cancer of the eye that had spread to her liver.
人类和动物的皮肤颜色来自黑色素，它不是黑色就是黄色。
Humans and animals get their skin color from melanin pigments, which can be either black or yellow.
使用这种方法，他们制成了治疗浸润性黑色素瘤的疫苗康维辛 （Canvaxin），这种疫苗中有20种不同的黑色素瘤肿瘤特异性成分，来把新的疾病识别方法教给人体。
The result was Canvaxin, a vaccine against aggressive melanoma that was loaded up with 20 different tumor-specific components of melanoma, teaching the body new ways to recognize the disease.
它的黑色素细胞与形态都是正常的，只是先天性酷氨酸酶尖性减少或缺乏，致使不能产生黑色素所引起的。
Melanoma cells and its patterns are normal, but congenital enzyme tyrosine sharp reduction or lack of, with the result that should not have caused melanoma.
恶性黑色素瘤病史、红色头发（黑色素瘤的一个风险因素）等其他因素也被记录下来。
Other factors, such as a history of malignant melanoma and red hair, a risk factor for melanoma, were recorded.
紫外线辐射(uvr)是产生黑色素瘤癌前皮肤病灶、黑色素瘤和非黑瘤皮肤癌的重要危险因素。
Ultraviolet radiation (UVR) is an essential risk factor for the development of premalignant skin lesions as well as of melanoma and non-melanoma skin cancer.
黑色素瘤是最致命的皮肤癌。过去的研究表明，得了非黑素瘤皮肤癌的患者有更大的风险演变成黑色素瘤。
Melanoma is the deadliest skin cancer. Past research has shown that people who have had non-melanoma skin cancers have a greater risk of developing melanoma.
皮肤癌有两大类：黑色素瘤和非黑色素瘤。
结论：黑色素细胞肿瘤切除后瘢痕中黑色素沉着的皮肤镜诊断可为判断色素沉着的起源提供有用的信息。
CONCLUSIONS: Dermoscopic examination of melanotic pigmentations in excision scars of melanocytic tumours provides useful information about the origin of that pigmentation.
IR光谱研究结果表明，乌骨绵羊黑色素的基本结构与乌骨鸡基本一致，主要是真黑色素。
By using the technology of IR spectrum, the result showed that the basic structure of melanin of Black Bone Sheep is similar to silky fowl, and the mainly composition is eumelanin.
要形成黑色素，需要有酪氨酸、酪氨酸酶、氧及黑色素体。
Must form the melanin, needs to have the tyrosine, the tyrosinase, the oxygen and the melanin body.
您可以在更高的风险，黑色素瘤，如果你有家族病史的黑色素瘤和超过50至100痣。
You may be at higher risk of melanoma if you have a family history of melanoma and more than 50 to 100 moles.
黑色素瘤的危害性远远大于其他症状，得了黑色素瘤的皮肤不能接触太多的阳光。
Melanoma is far more dangerous. Melanomas can appear even in areas of skin that do not get a lot of sun.
皮肤的颜色取决于黑色素。黑色素是由表皮生成的一种色素，防止我们受到太阳光中致癌的紫外线的伤害。
Skin color is due to melanin, a pigment produced in the epidermis to protect us from the sun's potentially cancer-causing ultraviolet (UV) rays.
多巴氧化酶法在几种方法中是最适合观察黑色素细胞数量和黑色素颗粒的方法。
DopA is the most suitable method to observe the quantity of melanocyte and melanin granules.
探讨了黑色食品的保健功能。黑色食品的保健功能与其所含特有的黑色素、微量元素、蛋白质及氨基酸等有关。
In the paper, the function of black food is exploring. The function of black food is relating to its melanin, trace elements, proteins and amine acids etc.
实事上，白癜风专家指出黑色素细胞的缺失(脱色)使人不再可能患黑色素瘤，而黑色素瘤是最严重的一种皮肤癌。
In fact, a vitiligo expert stated that with the total loss of melanocytes (depigmentation), it would be virtually impossible to get melanoma, the most serious form of skin cancer.
本文综述了黑色素的理化性质和生理功能，以及林木植物黑色素的分离制取方法，并就黑色素的研究和应用进行了展望。
The progress on characters, methods of isolation and production, resources and main application fields of plant melanin were introduced in this paper.
良性的软脑膜黑色素沉着发生在黑色素细胞巢或细胞床增殖区域，不伴有明显的恶性变。
Benign leptomeningeal melanosis occurs when there are areas of proliferation of sheets or nests of melanocytes without frank malignant change.
研究南蛇藤总萜体外抑制鼠黑色素瘤B16BL6细胞增殖，以及对其细胞凋亡的影响，为南蛇藤总萜对黑色素瘤抗瘤活性方面的研究奠定初步基础。
To study the effect of celastrus orbiculatus terpenoid on mouse melanoma B16BL6 cell proliferation and apoptosis in vivro and to establish its foundation in aspect of antitumor activity to melanoma.
方法：利用亲合层析及凝胶过滤层析从小鼠黑色素瘤中提取小鼠黑色素瘤凝集素（MMA）。
Methods: MMA was prepared with asialo-fetuin affinity and gel-filtration chromatography form murine melanoma.
箭头所示黑色素是黑色素瘤的特征。
At the arrow can be seen some brown-black pigment characteristic of melanoma.
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