MRI is the abbreviation of Magnetic Resonance Imaging and is a technology that uses magnetic field effect on human body to diagnosis illness by taking image(s) of the patients organ(s). So basically, MRI takes images of human organs or flow of fluids using magnetic field.

In this, the patient is put into a large magnetic field and RF radiation on particular part of the body is incident and the frequency of the underlying atoms of the body part are measured.

The following figure shows MRI scanner used in hospitals.


After the patients are put into the MRI, RF magnetic field is exposed to the patient body or body parts whose image are to be taken for medical diagnosis. Body parts can include any body parts like liver, brain, kidney, leg joints, hands or arms etc.

Following are some pictures of MRI scans.





See next NMR Simple Explanation.





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