| melanosity | Darkness of complexion. (05 Mar 2000) |
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| melanosome | <cell biology> Membrane bounded organelle found in melanocytes, when melanin synthesis is active internal structure is characteristic, containing melanofilaments that have a periodicity of around 9nm and are arranged in parallel arrays. Mature melanosomes, in which the filamentous structure is masked by the dense accumulation of melanin, are transferred to keratinocytes. Origin: Gr. Soma = body (13 Nov 1997) |
| melanosperm | <botany> An alga of any kind that produces blackish spores, or seed dust. The melanosperms include the rockweeds and all kinds of kelp. Melanospermous. Origin: Gr, black + seed. Source: Websters Dictionary (01 Mar 1998) |
| melanostatin | Inhibits synthesis and release of melanotropin. Synonym: melanotropin release-inhibiting hormone. Origin: melanotropin + G. States, stationary, + -in (05 Mar 2000) |
| melanotic | 1. Pertaining to the presence, normal or pathologic, of melanin. 2. Relating to or characterised by melanosis. (05 Mar 2000) |
| melanotic carcinoma | <tumour> Obsolete term for melanoma. (05 Mar 2000) |
| melanotic freckle | A brown or black mottled, irregularly outlined, slowly enlarging lesion resembling a lentigo in which there are increased numbers of scattered atypical melanocytes in the epidermis, usually occurring on the face of older persons; after many years the dermis may be invaded and the lesion is then termed lentigo maligna melanoma. Synonym: Hutchinson's freckle, melanotic freckle. (05 Mar 2000) |
| melanotic neuroectodermal tumour of infancy | A benign neoplasm of neuroectodermal origin that most often involves the anterior maxilla of infants in the first year of life. It presents clinically as a rapidly growing blue-black lesion producing a destructive radiolucency; histologically, it is characterised by small round undifferentiated tumour cells interspersed with larger polyhedral melanin-producing cells arranged in an alveolar configuration. Synonym: melanoameloblastoma, pigmented ameloblastoma, pigmented epulis, progonoma of jaw, retinal anlage tumour. (05 Mar 2000) |
| melanotic pigment | <protein> Pigments largely of animal origin. High molecular weight polymers of indole quinone. Colours include black/brown, yellow, red and violet. Found in feathers, cuttle ink, human skin, hair and eyes and in cellular immune responses and wound healing in arthropods. (18 Nov 1997) |
| melanotic progonoma | A pigmented hairy nevus. (05 Mar 2000) |
| melanotic whitlow | <tumour> A melanoma beginning in the skin at the border of or beneath the nail. Synonym: melanotic whitlow. (05 Mar 2000) |
| melanotonin | See: melatonin. (05 Mar 2000) |
| melanotrichous | Having black hair. Synonym: melanocomous. Origin: melano-+ G. Thrix (trich-), hair (05 Mar 2000) |
| melanotroph | A cell of the intermediate lobe of the hypophysis that produces melanotropin. Origin: melano-+ G. Trophe, nourishment (05 Mar 2000) |
| melanotropin | A polypeptide hormone secreted by the intermediate lobe of the hypophysis in humans (in neurohypophysis in certain other species) which causes dispersion of melanin by melanophores, resulting in darkening of the skin, presumably by promoting melanin synthesis; this effect is readily demonstated in some lower vertebrates, such as frogs and fish; alpha-melanotropin is an N-acetylated peptide with 13 amino acids; beta-melanotropin has 22 amino acids. Synonym: intermedin, melanocyte-stimulating hormone, melanophore-expanding principle. (05 Mar 2000) |
| melanoma |
the most serious, life-threatening form of skin cancer.
출처: www.umm.edu/women/glossary.htm
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| melanoma |
A type of cancer that arises in melanocytes, the cells that produce melanin. Melanoma occurs most often in the skin but may also develop in the eye or in the lining of the nose, mouth, or genitals. Melanoma is the least common but the most deadly skin cancer, accounting for only about 4% of all cases but 79% of skin cancer deaths
출처: www.melanomacenter.org/glossary/m.html
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| melanoma |
Pigmented mole or tumor. It may or may not be cancerous.
출처: www.pregnancy-info.net/newprgnancyarticle13-3.html
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| melanoma |
a tumor arising from the melanocytic system of the skin and other organs. When used alone, the term refers to malignant melanoma. Dorland's Illustrated Medical Dictionary 27th edition; entry for melanoma A malignant neoplasm derived from cells that are capable of forming melanin, which may occur in the skin of any part of the body, in the eye, or, rarely, in the mucous membranes of the genitalia, anus, oral cavity, or other sites. ...
출처: eduserv.hscer.washington.edu/dermUW/lang/term2.htm...
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| melanoma |
cancer of a type of skin cell called melanocytes, often metastasising to internal organs. Melanomas are induced by exposure to high levels of UV radiation, and are of particular concern in Queensland and at QIMR.
출처: www.qimr.edu.au/qimr_glossary.html
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