T1 and T2 Images: These are types of images produced by an MRI scan. T1 images show fat as bright and water as dark while T2 images show water as bright and fat as dark.
Contrast Agent: A substance used in some types of medical imaging to enhance the contrast between different tissues. In MRIs, it helps certain areas show up better on the scan.
Radiologist: A doctor who specializes in diagnosing and treating diseases using medical imaging techniques such as MRIs.