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magnetic resonance Definition
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magnetic resonance
noun(magnetic resonance)the excitation of particles (such as atomic nuclei or electrons) in a magnetic field by exposure to electromagnetic radiation of a specific frequency
magnetic resonance
noun(magnetic resonance)magnetic resonance imaging used to detect physical changes (as of blood flow) in the brain resulting from increased neuronal activity —called also functional MRI
magnetic resonance
noun(magnetic resonance)a noninvasive diagnostic technique that produces computerized images of internal body tissues and is based on nuclear magnetic resonance of atoms within the body induced by the application of radio waves —called also MRI
magnetic resonance
noun(magnetic resonance)the magnetic resonance of an atomic nucleus; also : chemical analysis that uses such resonance especially to study molecular structure