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The Collaborative International Dictionary

magnetic resonance imaging \mag*net"ic res"on*ance im"ag*ing\ n. (Medicine) a medical diagnostic procedure utilizing the phenomenon of nuclear magnetic resonance to generate images of internal parts of the body. It depends on the differential absorption of electromagnetic radiation by different types of living tissue in a magnetic field. It is complementary to X-ray imaging in that the softer tissue show more prominently in magnetic resonance images, rather than bone, as with X-rays. It is a non-invasive procedure, allowing such images to be obtained without penetration of the tissue by objects. It is abbreviated MRI. As with computerized tomography, the results are usually presented as images of sequential planar sections of that part of the body of concern to the physician.

Mri (fictional alien species)

The mri are a fictional alien species in the Faded Sun Trilogy of C. J. Cherryh's Alliance-Union universe. Their culture appears to be drawn upon those of the Apache, Berbers (especially Tuaregs), and Japanese samurai. Their name means simply "the people," and they refer to all other races as "tsi-mri," which literally means not people.

MRI (disambiguation)

Magnetic resonance imaging is a medical imaging technique

MRI can also refer to:

  • Magnetic Resonance Imaging (journal), a scientific journal
  • Magnetorotational instability, in astrophysics
  • Manchester Royal Infirmary, a hospital in Manchester, England
  • Maritime Rescue Institute, a former maritime training and rescue charity
  • Member of the Royal Institution of Great Britain
  • Mental Research Institute, Palo Alto, California, USA
  • Meuse-Rhine-Issel, a breed of cattle
  • Microwave Research Institute, now called Weber Research Institute, a research group at the Polytechnic Institute of New York University
  • Midwest Research Institute, based in Kansas City, Missouri, USA
  • Ruby MRI (Matz's Ruby Interpreter), the reference implementation of the Ruby programming language
  • Mri (fictional alien species), in the Faded Sun Trilogy
  • mri, ISO 639-3 code for the Māori language
  • MRI, IATA airport code for Merrill Field
  • MRI, International Olympic Committee country code for Mauritius

Usage examples of "mri".

Not so long ago, my interest in mummies led me to Argentina where scientists were in the midst of doing numerous tests on them, such as MRIs, CAT scans, and DNA needle biopsies.

The magnetic fields emitted by MRIs are extremely strong, strong enough to tug wheelchairs across the hospital floor, to wipe the data off the magnetic strips in credit cards, and to whip a wrench or screwdriver out of one's grip and send it hurtling across the room.