Autoradiography
Autoradiography
Autoradiography (pronounced: au·to·ra·dio·graphy, /ˌɔːtəʊrəˈdʒɒɡrəfi/) is a technique used in biology and medicine to visualize the distribution and localization of specific radioactive compounds within a biological specimen.
Etymology
The term 'Autoradiography' is derived from the Greek words 'auto' meaning self, 'radios' meaning ray, and 'graphein' meaning to write. Thus, it refers to the process of self-writing with rays.
Process
In autoradiography, a biological specimen is treated with a radioactive compound. The specimen is then placed in contact with a photographic film. The radioactive decay from the compound exposes the film, creating an image of the distribution of the radioactive compound within the specimen. This technique is particularly useful in neuroscience for studying the distribution of various neurotransmitters in the brain.
Related Terms
- Radiography: An imaging technique used to view the internal structure of an object using X-rays or other penetrating radiation.
- Radioactive: An adjective describing a substance that emits radiation.
- Neuroscience: The scientific study of the nervous system.
- Biology: The natural science that studies life and living organisms, including their physical structure, chemical processes, molecular interactions, physiological mechanisms, development and evolution.
- Medicine: The science and practice of establishing the diagnosis, prognosis, treatment, and prevention of disease.
See Also
External links
- Medical encyclopedia article on Autoradiography
- Wikipedia's article - Autoradiography
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