What is plaque?

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plaque Pronunciation: 'plak Function: noun Etymology: French, from Middle French, metal sheet, from plaquier to plate, from Middle Dutch placken to piece, patch; akin to Middle Dutch placke piece, Middle High German placke patch Date: 1848 1 a : an ornamental brooch; especially : the badge of an honorary order b : a flat thin piece (as of metal) used for decoration c : a commemorative or identifying inscribed tablet 2 a : a localized abnormal patch on a body part or surface b : a film of mucus that harbors bacteria on a tooth c : an atherosclerotic lesion d : a histopathologic lesion of brain tissue that is characteristic of Alzheimer's disease and consists of a cluster of degenerating nerve endings and dendrites around a core of amyloid 3 : a clear area in a bacterial culture produced by destruction of cells by a virus May 08 00, 2:19 PM

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Commemorative plaque, a flat ornamental plate or tablet fixed to a wall, used to mark a significant event, person, etc. Plaque (cooking), a solid, flat heating element often found in French kitchens. Plaque, a rectangular Casino token In biology: Dental plaque, a biofilm that builds up on teeth Atheromatous plaque, a buildup of fatty deposits within the wall of a blood vessel Mucoid plaque, a supposed thick coating of abnormal mucous material in the colon Viral plaque, a visible structure formed by virus propagation within a cell culture Senile plaques, an extracellular protein buildup implicated in various diseases like Alzheimer's disease or Parkinson's disease Plaque, a (usually) small, disk-shaped growth, common in some forms of skin cancer Pleural plaque, pleural fibrosis, often caused by exposure to asbestos Actiplaque, a dark blotchy buildup often found on Atari game cartridge labels http://en.wikipedia.org/wiki/Plaque Feb 06 08, 8:43 PM

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1 A Blue Plaque Guide to London: Part 1 A circular blue plaque on a building, marking the place of birth or residence of a distinguished resident or visitor, is a familiar sight around London. How many of them can you identify? U.K. People Average 10 Q stedman Sep 13 03 1230 plays 2 A Blue Plaque Guide to London: Part 2 Welcome to the second part of my alphabetical stroll around the homes of those Londoners and visitors that carry a commemorative blue plaque. U.K. People Average 10 Q stedman Sep 21 03 1305 plays 3 A Blue Plaque Guide to London: Part 3 And so my guide to the residences of a few famous Londoners and visitors comes to an end, with a look at those people who find themselves towards the end of any alphabetical list. U.K. People Average 10 Q stedman Sep 26 03 1392 plays