Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
MRI is a type of imaging technology that uses magnetic fields and radio waves to create detailed images of the organs and tissues within the body.
Related terms
Functional MRI (fMRI): This is a type of MRI that measures brain activity by detecting changes associated with blood flow.
T1 and T2 Relaxation: These are specific types of MRIs used to differentiate between fat, water, and other substances in the body.
Diffusion Tensor Imaging (DTI): This is another type of MRI that tracks the movement of water molecules within tissue to image bundles of nerve fibers.