xanthelasma
Biology

xanthelasma


Term: xanthelasma

Literally meaning: ?a yellow plate?

Origin: Anc Greek
??????/xanthos(=golden, yellow, blond)
+??????/elasma(=beaten metal plate)

Coined/History
In 1877 by English surgeon and dermatologist Erasmus Wilson (1809-1884) and initially applied the term to any xanthoma (yellowish nodules).


Definition
Xanthelasma is the  condition in which small yellowish plaques raised on the skin surface of the upper or lower eyelids most often near the inner canthus. Xanthelasma is  primarily made up of cholesterol deposits with calcium salts. 




- Angiolipoma
Term: angiolipomaLiterally meaning: ?growth of lipoid vessel?Origin: Anc Greek??????/aggio (=vessel, receptacle) > ?????/aggos(=tube)+(-???)/(-oma)=suffix denoting state or condition of mass growthCoined/History(?)DefinitionAngiolipoma is a rare and...

- Xanthine
Term: xanthine Literally meaning: ?yellowish? Origin: Anc Greek??????/xanthos(=golden, yellow, blond) Coined/History(?)Definition Xanthine is an yellowish alkaloid purine base which is an intermediate in the catabolic process  of nucleic acids to...

- Xanthoma
 Term: xanthoma Literally meaning: ?a state of yellow matter? Origin: Anc Greek??????/xanthos(=yellow)+(-???)/-oma (suffix denoting ?mass growth? or a ?complete set of?) Coined/HistoryIn 1869 by W.F. Smith in 1869 in order to characterize yellow...

- Epicanthus
Term: epicanthusLiterally meaning:"upon the canthus"Origin: Anc Greek???-/epi(=prefix meaning ?upon?, ?above? ?besides?)+??????/canthos(=the angle formed by the junction of the eyelids) maybe from ??????/akantha(=edge, acicula, spike) Coined/History(?)Definition...

- Canthus
Term:  canthus Origin:  Anc Greek ??????/canthos(=the angle formed by the junction of the eyelids)  maybe from ??????/akantha(=edge, acicula, spike) Definition: either corner of the eye, where the eyelids meet Comments: Canthus is also...



Biology








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