MRI scan
MRI Scan
MRI Scan (pronounced: /ˈɛmˌɑːrˈaɪ/), also known as Magnetic Resonance Imaging, is a non-invasive imaging technology that produces three dimensional detailed anatomical images. It is often used for disease detection, diagnosis, and treatment monitoring. It is based on sophisticated technology that excites and detects the change in direction of the rotational axis of protons found in the water that makes up living tissues.
Etymology
The term "MRI Scan" is derived from the words Magnetic Resonance Imaging. The term was coined in the late 20th century. "Magnetic" refers to the strong magnetic field used in the process, "Resonance" refers to the specific type of sound waves the machine uses, and "Imaging" refers to the pictures created from the scan.
Related Terms
- Radiology: The medical specialty that uses medical imaging to diagnose and treat diseases within the body.
- Computed Tomography (CT): Another type of imaging technology that uses X-rays to create images of the body.
- Ultrasound: A medical imaging technique that uses high-frequency sound waves to visualize the internal organs of the body.
- Positron Emission Tomography (PET): A functional imaging technique that uses radioactive substances to observe metabolic processes in the body.
- Nuclear Medicine: A medical specialty involving the application of radioactive substances in the diagnosis and treatment of disease.
See Also
External links
- Medical encyclopedia article on MRI scan
- Wikipedia's article - MRI scan
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