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positron emission tomography |
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positron emission tomography: see PET scan PET scan (pĕt) or positron emission tomography ..... Click the link for more information. . positron emission tomography (PET)Imaging technique used in diagnosis and biomedical research. A chemical compound labeled with a radioactive isotope (see radioactivity) that emits positrons is injected into the body, and detectors measure their activity in the tissues as they combine with electrons and are annihilated. Computers analyze, integrate, and reconstruct the data to produce images of the organs scanned. PET is particularly useful for studying brain and heart functions. positron emission tomography [′päz·ə‚trän i¦mish·ən tō′mäg·rə·fē] (medicine) A technique that uses measurements of the back-to-back emission of gamma rays from the annihilation of positrons emitted by radioactive tracers to map the distribution of these tracers in the human body. Abbreviated PET. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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A 14-page glossary simplifies such terms as angstrom, wormhole, and PET scanner. Spread over three floors, this challenging project called for the installation of atmospheric protection mechanisms to run new and highly sophisticated technologies including: a PET Scanner, Multislice Helitcal CT, 1. ``I would like to acknowledge my colleague Edward Hoffman, who worked with me when we developed the first PET scanner, as well as many other colleagues here at UCLA who have contributed so much to the success of PET. |
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