What imaging technique utilizes magnetic fields for creating three-dimensional images of the body?

Magnetic Resonance Imaging (MRI) is the technique that uses magnetic fields to create detailed, three-dimensional images of the body's internal structures. This method relies on the principles of nuclear magnetic resonance, where the protons in the body's hydrogen atoms align with the magnetic field. When exposed to radiofrequency pulses, these protons are stimulated to emit signals, which are then captured and transformed into images by a computer.

MRI is particularly valuable for imaging soft tissues, making it an excellent tool for diagnosing conditions related to the brain, spinal cord, muscles, and joints. Unlike other imaging techniques, MRI does not use ionizing radiation, making it a safer option for patients in many situations. As a result of its ability to provide high-resolution images and detailed insights into tissue composition, MRI has become an integral part of medical diagnostics and research.