Radioactive tracer
Radioactive Tracer
A Radioactive tracer, also known as a radiotracer, is a radioactive substance that is used in medicine and biology to study the function of an organ or a biochemical process in the body.
Pronunciation
- Radioactive: /ˌreɪdioʊˈæktɪv/
- Tracer: /ˈtreɪsər/
Etymology
The term "Radioactive tracer" is derived from the words "radioactive", which comes from the word "radioactivity" coined by Marie Curie in 1898, and "tracer", which comes from the French word "tracier", meaning to trace.
Usage
Radioactive tracers are used in a variety of medical and biological applications. In medicine, they are used in diagnostic imaging to create images of the inside of the body. In biology, they are used to track the movement of substances through a biological system.
Related Terms
- Radiopharmaceutical: A radioactive compound used in medicine for diagnosis or treatment.
- Positron Emission Tomography (PET): A type of imaging test that uses a radioactive substance to look for disease in the body.
- Single Photon Emission Computed Tomography (SPECT): A type of nuclear imaging test that uses a radioactive substance and a special camera to create 3D pictures.
See Also
External links
- Medical encyclopedia article on Radioactive tracer
- Wikipedia's article - Radioactive tracer
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