Plaque may refer to:
Commemorations or awards
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Commemorative plaque, a plate or tablet fixed to a wall to mark an event, person, etc.
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Memorial Plaque (medallion)
The Memorial Plaque was issued after the First World War to the next-of-kin of all British Empire service personnel who were killed as a result of the war.
The plaques (which could be described as large plaquettes) about 4.72 inches (120&nbs ...
, issued to next-of-kin of dead British military personnel after World War I
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Plaquette, a small plaque in bronze or other materials
Science and healthcare
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Amyloid
Amyloids are aggregates of proteins characterised by a fibrillar morphology of 7–13 nm in diameter, a beta sheet (β-sheet) secondary structure (known as cross-β) and ability to be stained by particular dyes, such as Congo red. In the huma ...
plaque
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Atheroma
An atheroma, or atheromatous plaque, is an abnormal and reversible accumulation of material in the inner layer of an arterial wall.
The material consists of mostly macrophage cells, or debris, containing lipids, calcium and a variable amount o ...
or atheromatous plaque, a buildup of deposits within the wall of an artery
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Dental plaque
Dental plaque is a biofilm of microorganisms (mostly bacteria, but also fungi) that grows on surfaces within the mouth. It is a sticky colorless deposit at first, but when it forms tartar, it is often brown or pale yellow. It is commonly found be ...
, a biofilm that builds up on teeth
* A broad
papule
A papule is a small, well-defined bump in the skin. It may have a rounded, pointed or flat top, and may have a dip. It can appear with a stalk, be thread-like or look warty. It can be soft or firm and its surface may be rough or smooth. Some h ...
, a type of cutaneous condition
* Pleural plaque, associated with
mesothelioma
Mesothelioma is a type of cancer that develops from the thin layer of tissue that covers many of the internal organs (known as the mesothelium). The most common area affected is the lining of the lungs and chest wall. Less commonly the lining ...
, cancer often caused by exposure to asbestos
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Senile plaques
Amyloid plaques (also known as neuritic plaques, amyloid beta plaques or senile plaques) are extracellular deposits of the amyloid beta (Aβ) protein mainly in the grey matter of the brain. Degenerative neuronal elements and an abundance of micr ...
, an extracellular protein deposit in the brain implicated in Alzheimer's disease
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Skin plaque
A skin condition, also known as cutaneous condition, is any medical condition that affects the integumentary system—the organ system that encloses the body and includes skin, nails, and related muscle and glands. The major function of this s ...
, a plateau-like lesion that is greater in its diameter than in its depth
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Viral plaque
A viral plaque is a visible structure formed after introducing a viral sample to a cell culture grown on some nutrient medium. The virus will replicate and spread, generating regions of cell destruction known as plaques. For example, Vero cell or ...
, a visible structure formed by virus propagation within a cell culture
Other uses
* Plaque, a rectangular
casino token
See also
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Builder's plate
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Plac (disambiguation)
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Placard
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Plack (disambiguation)
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Plague (disambiguation)
{{Disambiguation
