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(kŏm-prĕs′ŏr) 1. An instrument or device that applies a compressive force, as in compaction of gold. 2. A muscle that compresses a part, as the compressor hemispherium bulbi, which compresses the bulb of the urethra.
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air c. A machine that compresses air into storage tanks for use in air syringes, air turbine handpieces, and other air-driven tools.
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(kom′prŏ-mīzd″) SEE: under host.
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(komp′tŏn) [Arthur H. Compton, U.S. physicist and Nobel laureate, 1892–1962] An interaction between x-rays and matter in which the incoming photon ejects a loosely bound outer-shell electron. The resulting change in the direction of the x-ray photon causes scatter, increasing the dose and degrading the radiographic image. Most interactions between x-rays and matter are of this type, esp. at high energies. SEE: scatter.
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(kŏm-pŭl′shŏn) [L. compulsio, an urge] A repetitive, stereotyped act that is performed to relieve fear connected with obsession and, if denied, increases anxiety. It was formerly called compulsion neurosis. compulsive (kŏm-pŭl′sĭv), adj.
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(kŏm-pŭl′sor-ē) 1. Compelling action against one’s will. 2. Required.
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computational knowledge
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The use of a computer to interpret data, used as a basis for forming hypotheses, establishing trends, testing relationships, and making decisions.
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computer-aided detection
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ABBR: CAD. Computer-aided diagnosis.
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computer-aided diagnosis
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ABBR: CADx. Diagnosis that is clarified or enhanced by electronic pattern recognition, machine learning, or data processing. CADx is used, for example, to analyze complex images—such as mammograms—for abnormalities.
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computer-assisted instruction
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computer-assisted interviewing, computer-assisted self-interviewing
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ABBR: CAI. The gathering of data from patients about such matters as allergies, behaviors, medical conditions and medications via direct input into an electronic health record by the patient.
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computerized physician or provider order entry
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ABBR: CPOE. Any system that allows registered health care providers to request drugs, laboratory studies, or radiological tests by entering those requests in an electronic health care record.
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1. The ability to acquire and apply a basic understanding of computer hardware and software to solve problems or access information. 2. Educational programs designed to help students gain mastery in computer applications.
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computer vision syndrome
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ABBR: CVS. Eye symptoms that result from excessive computer use. Commonly reported findings include blurry distance vision, visual fatigue, a sense of eye dryness, headaches, or neck or shoulder pain. CVS may be improved with ...