![]() noun An object made or shaped by some agent or intelligence, not necessarily of direct human origin.įrom WordNet 3.0 Copyright 2006 by Princeton University.noun A structure or finding in an experiment or investigation that is not a true feature of the object under observation, but is a result of external action, the test arrangement, or an experimental error.noun archaeology An object, such as a tool, weapon or ornament, of archaeological or historical interest, especially such an object found at an archaeological excavation.noun An object made or shaped by human hand.In experimental science, artifacts may arise due to inadvertant contamination of equipment, faulty experimental design or faulty analysis, or unexpected effects of agencies not known to affect the system under study.įrom Wiktionary, Creative Commons Attribution/Share-Alike License. noun (Technology) an object, oservation, phenomenon, or result arising from hidden or unexpected causes extraneous to the subject of a study, and therefore spurious and having potential to lead one to an erroneous conclusion, or to invalidate the study.noun (Biol.) A structure or appearance in protoplasm due to death, method of preparation of specimens, or the use of reagents, and not present during life.anything produced by natural forces without the intervention of man. noun Any product of human workmanship - applied both to objects made for practical purposes as well as works of art.to the simpler products of aboriginal art as distinguished from natural objects. noun (Archæol.) A product of human workmanship - applied esp.Not natural, but produced by manipulation, as some microscopic feature in a hardened tissue.įrom the GNU version of the Collaborative International Dictionary of English.noun A natural object modified by human art.noun Anything made by art an artificial product.noun An inaccurate observation, effect, or result, especially one resulting from the technology used in scientific investigation or from experimental error.noun A phenomenon or feature not originally present or expected and caused by an interfering external agent, action, or process, as an unwanted feature in a microscopic specimen after fixation, in a digitally reproduced image, or in a digital audio recording.noun Something viewed as a product of human conception or agency rather than an inherent element.noun An object produced or shaped by human craft, especially a tool, weapon, or ornament of archaeological or historical interest.One of my favourites: the lost city of Atlantis (spoiler: it's not real).From The American Heritage® Dictionary of the English Language, 5th Edition. Some artifacts affect the quality of the MRI exam while others do not affect the diagnostic quality but may be confused with pathology. MRI artifacts are numerous and give an insight into the physics behind each sequence. Sampling can also create artifacts, for example if you are taking data below the Nyquist frequency. Media (including images, audio, and video) caused by the application A familiar one is the characteristic fringing you see on using JPEG compression.Ī compression artifact (or artefact) is a noticeable distortion of In more theoretical sciences, artifacts are often part of the data processing process. Sample Preparation Handbook for Transmission Electron Microscopy So, you may see structures that are artifacts of the drying process and not present in the living cell.Īn artifact is damage caused by a preparation technique and can easilyīe confused with the sample’s microstructure. There is one sort of artifact which is to do with preparation: for example, in electron microscopy the samples are freeze dried.
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