magnetic resonance imaging

American  

noun

1. MRI.

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magnetic resonance imaging British  

noun

1.  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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magnetic resonance imaging Scientific  

1. See MRI

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magnetic resonance imaging Cultural  

1. 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.)

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MRI images are the most detailed that can be obtained.

Example Sentences

A competitor, Prenuvo, promises “the full picture of your health” through magnetic resonance imaging starting at $1,199 for a scan and core membership plan.

From Barron's • May 21, 2026

Bruni-Lowe also highlights a growing interest in neuroscience, and the use of tools such as functional magnetic resonance imaging, which measures brain activity by detecting changes in blood flow.

From BBC • Jul. 10, 2025

Brain-wide association studies, which use magnetic resonance imaging to identify relationships between brain structure or function and human behavior or health, have faced criticism for producing results that often cannot be replicated by other researchers.

From Science Daily • Nov. 27, 2024

In a seemingly contradictory finding, research that used functional magnetic resonance imaging, or fMRI, to study brain responses to disgusting humor did not find a pattern of brain activity that was distinct from plain disgust.

From Salon • Oct. 6, 2024

Instead of a boxy belt-fed device using a stack of gray trays, the futuristic-looking baggage and personal belongings inspection system looks like a scaled-down starship medical magnetic resonance imaging machine.

From Seattle Times • Mar. 6, 2024