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tomography |
Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson | 0.02 sec. |
tomographyRadiological technique for obtaining clear X-ray images of internal structures by focusing on a specific plane within the body to produce a cross-sectional image. It allows the examination of structures that are obscured by overlying organs and soft tissues and do not show up clearly on conventional X-ray images. See also computerized axial tomography. tomographyAn X-ray technique that shows a single plane (slice) of the object under examination, typically a part of the human body. See CAT scan. tomography [tə′mäg·rə·fē] (electronics) 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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He clearly discusses which diagnostic tests, in his opinion, are most useful, and he debates the overuse of plain film radiographs in favor of increased use of ultrasound, magnetic resonance imaging, and computed tomograph scans. This seismic tomograph (computerized map of earth's composition) of a future tunnel shaft uses sound waves to pinpoint hard, soft, and weakened (by blasting) rock layers. He is a member of the highly respected National Academy of Science, the inventor of an early version of the Positron Emission Tomograph, or PET scan, and a pioneer of the MRI (magnetic resonance imaging) scanner, both of which have revolutionized our ability to see into the body and brain. |
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