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Uses of MRI

In medicine, MRI is mainly used for looking at damage to soft parts of the body - muscles, tendons and ligaments, as well as the brain. At the moment, MRI scans can only be done on patients who lie still. This looks set to change with the next generation of MRI scanners. These will have a much shorter exposure time, so they can be used to look at moving subjects - like a baby in a mother's womb.

MRI scan of a CJD brain, showing its spongy appearance.
MRI scan of a CJD brain, showing its spongy appearance.
Simon Fraser, Royal Victoria Infirmary, Newcastle upon Tyne/Science Photo Library

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