Exposure+to+the+rays+of+the+sun
51Ultraviolet — UV redirects here. For other uses, see UV (disambiguation). UVB redirects here. For the mysterious shortwave radio station in Russia, see UVB 76. For other uses, see Ultraviolet (disambiguation). False color image of the Sun s corona as seen in… …
52Photoaging — or photoageing[1] (also known as Dermatoheliosis [2]) is a term used for the characteristic changes induced by chronic UVA and UVB exposure.[3]:29 Tretinoin is the best studied retinoid in the treatment of photoaging[4] The deterioration of… …
53Sunburn — A sunburn is a burn to living tissue such as skin produced by overexposure to ultraviolet (UV) radiation, commonly from the sun s rays. Exposure of the skin to lesser amounts of UV will often produce a suntan. Usual mild symptoms in humans and… …
54Skin cancer — ICD9|173 ICDO = 8010 8720 OMIM = MedlinePlus = eMedicineSubj = eMedicineTopic = MeshID = D012878 Skin cancer is a malignant growth on the skin which can have many causes. Skin cancer generally develops in the epidermis (the outermost layer of… …
55Melanin — Not to be confused with melamine, melatonin, or Melanotan (disambiguation). Melanin pigment (dark granular material center of image) in a pigmented melanoma. Pap stain. Melanin …
56Human skin color — Skin pigmentation redirects here. For animal skin pigmentation, see Biological pigment. Variety of skin colors Human skin color is primarily due to the presence of melanin in the skin. Skin color ranges from almost black to white with a pinkish… …
57tanning — tan·ning || tænɪŋ n. process of making animal hides into leather; browning of the skin through exposure to the sun s rays; beating, whipping tæn n. suntan, brownish color acquired by the skin through exposure to the sun s rays v. acquire a… …
58skin disease — ▪ pathology Introduction any of the diseases or disorders that affect the human skin. They have a wide range of causes. General features Although most diseases affecting the skin originate in the layers of the skin, such abnormalities are… …
59Kryptonite — This article is about Kryptonite, the element from the Superman mythos. For other uses, see Kryptonite (disambiguation). Kryptonite Lex Luthor in front of a display of kryptonite and holding green kryptonite. From a panel in Action Comics Annual… …
60genetic disease, human — Introduction any of the diseases and disorders that are caused by mutations in one or more genes (gene). With the increasing ability to control infectious and nutritional diseases in developed countries, there has come the realization …
