Mindblown: a blog about philosophy.
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Expansion screw
A mechanical device set into a removable or fixed appliance to enlarge the dental arch.
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Multiphasic screening test
A battery of tests used to attempt to determine the presence of one or more diseases.
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Cholesterol screening test
A preventive strategy for measuring cholesterol levels in asymptomatic people to identify those with high cholesterol (who are at risk for cardiovascular disease) and begin therapy to lower these levels.
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Universal newborn hearing screening
A public health effort to identify infants born with impaired hearing at the earliest possible age (e.g., before 6 months). UNHS has been implemented by most states in the U.S. to identify those infants whose hearing loss is more than 40 decibels below the mean (i.e., those infants with the greatest risk of impaired speech…
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Newborn screening
The testing of infants in the first days of life for serious illnesses (e.g., congenital deafness, cystic fibrosis, hemoglobinopathies, hypothyroidism, and phenylketonuria).
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High-throughput screening
The testing of the biological or pharmacological properties of molecules by immersion in a large number of chemical baths or cellular systems. It is used, e.g., to determine whether any of a group of chemicals has specific therapeutic actions.
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Tangent screen
A simple device used in perimetry to test the central portion of the visual field.
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Screen
To determine the presence of a disease or its characteristics in a broad community or a selected group. In the realm of medicine, any examination or methodology employed to identify individuals with a heightened probability of possessing a particular ailment, or to detect the presence of specific substances within bodily fluids or tissues. Something that…
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Scraping
Removal of cells, as from diseased tissue, with an edged instrument for cytologic examination.
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Scout film
In radiology, an x-ray film, especially of the abdomen, for evaluating the condition of the body prior to beginning an invasive or potentially hazardous examination.
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