Learn more. It aids in the diagnosis of vascular occlusions and of athrosclerotic ~TildeLink()s, as well as of other cardiovascular abnormalities. If too much plaque builds up on and between … Constant remodeling occurs. a plaque in biology is a flat growth-form, as for example, the growth of bacterial colonies on an agar plate; a sticky, white film or fluid on the teeth, a mixture of bacteria and food; in atherosclerosis, a fat layer inside an artery. Dental plaque is a sticky, clear film that forms on teeth and between teeth, both above and below the gum line. Cell Biology Protocols. A technique to select a bacterial strain with a desired genetic trait; a mixture of cells is streaked on to a solid support and the resultant colonies are screened (e.g. When this happens, some of the heart tissue is deprived of oxygen and dies (an MI or myocardial infarction). noun. See more. A plaque is a flat piece of metal or wood, which is fixed to a wall or monument in memory of a person or event. A patch or small differentiated area on a body surface (for example, skin, mucosa, or arterial endothelium) or on the cut surface of an organ such as the brain; in skin, a circumscribed, elevated, superficial, and solid area exceeding 1 cm in diameter. See more. Plaque: a word meaning a flat, plate-like object. Say: plak. CallUrl('www>angelfire>comhtml',0). CallUrl('groups>molbiosci>northwestern>eduhtml',0), ~TildeLink() assays showed that the efficiency of plating of Bdellovibrio suspension on lawns of the mutant was at least 107 times lower than on the original strain or on the wild-type cells from the culture. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. Corrections? Dental plaque and tartar cleaned professionally, gently and safely. An semi-hardened accumulation of substances from fluids that bathe an area. Differences include Plaques synonyms, Plaques pronunciation, Plaques translation, English dictionary definition of Plaques. CallUrl('www>talkorigins>orghtml',0), For bacteria and yeasts, transformation refers to the techniques of introducing plasmid or other vectors into a host cell. It is a sensitive laboratory indicator of the presence of some anti-bacterial factor. Lathem showed that Y. pestis has a gene called pla that its ancestors lack. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Omissions? Amyloid Plaques. Privacy & Trust Info Plaque:1. Plaque (biology) bacteria growing on an agar plate dental plaque, a bacterial biofilm around teeth. : It also removes plaque for clean teeth. 2. • Commemorative plaque, a plate or tablet fixed to a wall to mark an event, person, etc. SUBJECT INDEXPREVIOUS ... CallUrl('www>bartleby>com<107<233>html',0), When a person has a "coronary" we mean s/he has a block (usually an atherosclerotic ~TildeLink()) in the coronary arteries that supply the heart with fresh oxygen. : Le président sortant Jean-Michel Lavoie présente une plaque honorifique au vice-président fondateur Yves Chicoine. Common biofilms include ~TildeLink() on teeth, bacteria on a kitchen cutting board, and the slippery surface of rocks in a stream.About Awards Privacy Policy Permissions Stock Footage Contact ... CallUrl('www>cellsalive>comhtm',1), Biofilms form on virtually any wetted surface, so you can find them in drinking water pipes and on your teeth as dental ~TildeLink(), or the scum on the side of the flower vase. of metal, placed on a building or monument. Let us know if you have suggestions to improve this article (requires login). Plaque is a sticky, slimy substance made up mostly of the germs that cause tooth decay. As nouns the difference between plaque and plague is that plaque is any flat, thin piece of metal, clay, ivory, or the like, used for ornament, or for painting pictures upon, as a slab, plate, dish, or the like, hung upon a wall; also, a smaller decoration worn on the person, as a brooch while plague is the bubonic plague, the pestilent disease caused by the virulent bacterium ''yersinia pestis . plaque purification. Our editors will review what you’ve submitted and determine whether to revise the article. If you know of any terms that have been omitted from this glossary that you feel would be useful to include, please send details to the Editorial Office at GenScript: order@genscript.com. Plaque definition, a thin, flat plate or tablet of metal, porcelain, etc., intended for ornament, as on a wall, or set in a piece of furniture. Definition of plaque. plaque. A plaque is a sign that memorializes a person or event, such as the plaque on a building noting the person it's named after or the year it was built. Plaque, in microbiology, a clear area on an otherwise opaque field of bacteria that indicates the inhibition or dissolution of the bacterial cells by some agent, either a virus or an antibiotic. plaque | Definitions for plaque from GenScript molecular biology glossary. English to Sinhala Dictionary (Free). 2. Translation for 'plaque' in the free French-English dictionary and many other English translations. That's why it's important to brush your teeth at least twice every day and floss daily. Supra and Subgingival plaque. MOI, pfu, and TCID 50. Plaque, in microbiology, a clear area on an otherwise opaque field of bacteria that indicates the inhibition or dissolution of the bacterial cells by some agent, either a virus or an antibiotic. Updates? It is formed from the breakdown of a larger protein, called amyloid precursor protein. The liver may develop tumors, and infertility is common. CallUrl('www>learner>orghtml',0), X-ray visualization of the arterial lining after injection of radiopaque dye into a specific artery or into the bloodstream. Plaque. Examples include dental plaque and cholesterol plaque. One form, beta-amyloid 42, is thought to be especially toxic. CallUrl('openoregon>pressbooks>pubbiologyreference>comhtml',0), Biofilm A colony of sessile microorganisms that reside on a surface, usually within an extracellular matrix. You have probably heard of plaque on your teeth, but your body also has another type of plaque. Multiplicity of infection (moi) is the average number of virus particles infecting each cell. ( plak ), 1. What is what? 2. plaque. Plaque should be removed regularly because it can cause dental problems. (countable) A piece of flat metal with writing … for antibiotic resistance or a DNA sequence complementary to a specific probe), and the selected colony is then restreaked for further rounds of purification. Blood vessels may become blocked with fatty ~TildeLink(). Chinese: This is plaque that builds up in arteries - the blood vessels that carry oxygen and nutrient-rich blood from your heart to your body’s tissues.. Plaque in the arteries is a fatty, waxy substance that … Everything you always wanted to know. 1 An ornamental tablet, typically of metal, porcelain, or wood, that is fixed to a wall or other surface in commemoration of a person or event. Plaque forming units (pfu) is a measure of number of infectious virus particles. 3. a platelike brooch or ornament, esp. plaque (countable and uncountable, plural plaques) 1. Please refer to the appropriate style manual or other sources if you have any questions. b : a flat thin piece (as of metal) used for decoration. senile plaques: protein deposited outside cells in the brain in Alzheimer's disease … A clear spot on a lawn of bacteria or cultured cells where cells have been Iysed by viral infection. Plaques - definition of Plaques by The Free Dictionary. A clear area in a lawn of bacteria l cells caused by the lysis of infected cells by a phage. Plaque definition: A plaque is a flat piece of metal or stone with writing on it which is fixed to a wall or... | Meaning, pronunciation, translations and examples Ring in the new year with a Britannica Membership, This article was most recently revised and updated by, https://www.britannica.com/science/plaque-microbiology. American English : plaque / ˈplæk / We have a Chrome Extension and an Android App CallUrl('bioq>biology>leidenuniv>nlhtml',0), In the past, diseases such as the bubonic ~TildeLink() of the fourteenth century killed between 30 and 60 percent of Europe's population and reduced the overall world population by as many as one hundred million people. Plaque + Time = Mature plaque Most rapid changes occur in first 5 days. CallUrl('carolguze>comshtml',0), A cardiovascular disease caused by the formation of hard ~TildeLink()s within the arteries.artificial selectionThe selective breeding of domesticated plants and animals to encourage the occurrence of desirable traits. A circular DNA molecule, capable of autonomous replication, which typically carries one or more genes encoding antibiotic resistance proteins. For tissue culture cells, cells transfected with foreign DNA are transformed if their exhibit morphology changes such as rounded cell bodies, loss of contact inhibition, and formation of ~TildeLink()s. CallUrl('www>changbioscience>comhtm',0), ~TildeLink(). This gene encodes for a protein that helps to dissolve blood clots. It has auto-suggestion feature which will save you a lot of time getting any meaning. If a plague bacterium gets trapped in this clot, it can’t multiply and spread itself through its new host. 1 a : an ornamental brooch especially : the badge of an honorary order. Stabilize by 21st day. a flat piece of metal, stone, wood, or plastic with writing on it that is attached to a wall, door, or other object: There was a brass plaque outside the door listing the various dentists ' names. It's a group of bacteria that lives in your mouth and forms between brushings. : Founding vice-president Yves Chicoine receives his plaque. one worn as a badge. c : a commemorative or identifying inscribed tablet. A plaque was placed at the scene of the accident. While every effort has been made to follow citation style rules, there may be some discrepancies. n. 1. (countable) Any flat, thin piece of clay, ivory, metal, etc., used for ornament, or for painting pictures upon, as a dish, plate, slab, etc., hung upon a wall; also, a smaller decoration worn by a person, such as a brooch. (plæk) n. 1. a thin, flat plate or tablet of metal, porcelain, etc., intended for ornament, as on a wall, or set in a piece of furniture. Definition of plaque noun in Oxford Advanced Learner's Dictionary. You can get meaning of any English word very easily. a flat man-made object, such as a memorial plaque or other flat object Plasmid (p). In the 1940s the development of the electron microscope permitted individual virus particles to…. Translations plaque - flat, thin piece of metal or other material. The beta-amyloid protein involved in Alzheimer’s comes in several different molecular forms that collect between neurons. The First Lady … Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... …in a clearing, or “plaque.” The American scientist Renato Dulbecco in 1952 applied this technique to measuring the number of animal viruses that could produce plaques in layers of adjoining animal cells overlaid with agar. The reason plaque forms isn’t entirely known, but it seems to be related to high levels of cholesterol inducing an inflammatory response, which can also attract and trap more cellular debris over time." It is determined by plaque forming assay. plague definition: 1. to cause worry, pain, or difficulty to someone or something over a period of time: 2. to annoy…. Remodeling accelerated by Salivary flow Muscular action Home care 3 times pressure needed to remove 3 day old plaque. Stand back – it's plaque! It is a sensitive laboratory indicator of the presence of some anti-bacterial factor.
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