Glossary Term:

Title

magnetic resonance imaging

Phonetic

MRI

Description

a method of taking pictures of the inside of the body. Instead of using x-rays, MRI uses a powerful magnet to send radio waves through the body. The images appear on a computer screen as well as on film. Like x-rays, the procedure is physically painless, but some people may feel confined inside the MRI machine. See also imaging studies, x-ray.