magnetic re-sonance imaging

magnetic resonance imaging

noun
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World English Dictionary
magnetic resonance imaging
 
n
MRI a noninvasive medical diagnostic technique in which the absorption and transmission of high-frequency radio waves are analysed as they irradiate the hydrogen atoms in water molecules and other tissue components placed in a strong magnetic field. This computerized analysis provides a powerful aid to the diagnosis and treatment planning of many diseases, including cancer

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American Heritage
Medical Dictionary

magnetic resonance imaging n.
Abbr. MRI
The use of a nuclear magnetic resonance spectrometer to produce electronic images of specific atoms and molecular structures in solids, especially human cells, tissues, and organs.

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American Heritage
Science Dictionary
magnetic resonance imaging  
See MRI.
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American Heritage
Cultural Dictionary
magnetic resonance imaging (MRI)

A technique for forming detailed images of internal organs and tissue. It works by putting the patient inside a magnet, then using radio waves to locate atoms in the tissue. Final production of the image is done by a computer. (Compare x-ray and ultrasound.)

Note: MRI images are the most detailed that can be obtained.
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