Autoradiograph
Autoradiograph
Autoradiograph (pronounced: au·to·ra·di·o·graph, /ˌɔːtoʊˈreɪdioʊˌɡræf/) is a record, usually a photograph, showing the distribution of a radioactive substance in a specimen. The process of making such a record is called autoradiography.
Etymology
The term "Autoradiograph" is derived from the Greek words 'auto' meaning self, 'radio' meaning radiant energy, and 'graph' meaning to write or record. Thus, it essentially means a self-radiating record.
Process
The process of autoradiography involves the use of a radioactive substance, which is incorporated into the specimen. The specimen is then exposed to a photographic film or emulsion. The radioactive substance emits radiation, which exposes the film, creating an image that shows the distribution of the radioactive substance within the specimen.
Related Terms
- Autoradiography: The process of making an autoradiograph.
- Radioactive Substance: A substance that emits radiation.
- Radiation: The emission of energy as electromagnetic waves or as moving subatomic particles.
- Photographic Film: A strip or sheet of transparent plastic film base coated on one side with a gelatin emulsion containing microscopically small light-sensitive silver halide crystals.
- Emulsion: A fine dispersion of minute droplets of one liquid in another in which it is not soluble or miscible.
See Also
External links
- Medical encyclopedia article on Autoradiograph
- Wikipedia's article - Autoradiograph
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