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A mole can be either subdermal (under the skin) or a pigmented growth on the skin, formed mostly of a type of cell known as a melanocyte. The high concentration of the body's pigmenting agent, melanin, is responsible for their dark color. Moles are a member of the family of skin lesions known as nevi (singular "nevus"), occurring commonly in ...
Scientists still find thousands of new species on Earth every year, but finding a new mammal is a relative rarity. Scientists have found not one, but two new species of mole native to southeastern ...
Nevus (pl.: nevi) is a nonspecific medical term for a visible, circumscribed, chronic lesion of the skin or mucosa. [1] The term originates from nævus, which is Latin for "birthmark"; however, a nevus can be either congenital (present at birth) or acquired.
Moles were traditionally classified in the order Insectivora, but that order has since been abandoned because it has been shown to not be monophyletic. Moles are now classified with shrews and hedgehogs, in the more narrowly defined order Eulipotyphla. [16] Subfamily Scalopinae: New World moles Tribe Condylurini: Star-nosed mole (North America)
Causes of melanoma. Ultraviolet light exposure from the sun or from tanning beds causes most melanomas. Melanoma may appear at a spot where you have an existing mole. But if an unusual spot shows ...
The Scalopinae, or New World moles, are one of three subfamilies of the family Talpidae, which consists of moles and mole-like animals; ...
A dysplastic nevus or atypical mole is a nevus (mole) whose appearance is different from that of common moles. In 1992, the NIH recommended that the term "dysplastic nevus" be avoided in favor of the term "atypical mole". [ 1 ]
Halo nevus is a mole that is surrounded by a pale ring or 'halo'. [1] It is generally noticed in the summer, when surrounding skin tans, and usually occurs on the chest, but can be anywhere. [1] There may be one or more typically several. [2] Onset is usually in teenagers and young adults.