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tomography    
n. 断层摄影术

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  • Tomography - Wikipedia
    Tomography is imaging by sections or sectioning that uses any kind of penetrating wave The method is used in radiology, archaeology, biology, atmospheric science, geophysics, oceanography, plasma physics, materials science, cosmochemistry, astrophysics, quantum information, and other areas of science
  • What Is Tomography? CT, MRI, and PET Scans Explained
    Tomography is a medical imaging technique that creates pictures of the inside of your body in cross-sectional “slices,” rather than as a single flat image The word comes from the Greek “tomos” (slice) and “graphein” (to write) Where a standard X-ray flattens everything into one overlapping image, tomography captures individual layers, letting doctors see organs, bones, and
  • CT (Computed Tomography) Scan - Cleveland Clinic
    A CT (computed tomography) scan is an imaging test that helps healthcare providers detect diseases and injuries It uses a series of X-rays and a computer to create detailed images of your bones and soft tissues
  • Tomography | Radiology Medical Imaging | Britannica
    Tomography, radiologic technique for obtaining clear X-ray images of deep internal structures by focusing on a specific plane within the body Structures that are obscured by overlying organs and soft tissues that are insufficiently delineated on conventional X rays can thus be adequately
  • CT scan - Wikipedia
    A computed tomography scan (CT scan), formerly known in a more rudimentary state as computed axial tomography scan (CAT scan), is a medical imaging technique used to obtain detailed internal images of the body [2] The personnel that perform CT scans are called radiographers or radiology technologists [3][4] CT scanners use a rotating X-ray tube and a row of detectors placed in a gantry to
  • CT scan - Mayo Clinic
    A computerized tomography scan, also called a CT scan, is a type of imaging that uses X-ray techniques to create detailed images of the body It then uses a computer to create cross-sectional images, also called slices, of the bones, blood vessels and soft tissues inside the body CT scan images show more detail than plain X-rays do
  • CT Scan (CAT Scan): Purpose, Procedure, Risks Results - WebMD
    A computed tomography (CT or CAT) scan allows doctors to see inside your body It uses a combination of X-rays and a computer to create pictures of your organs, bones, and other tissues It shows
  • Tomography - an overview | ScienceDirect Topics
    Tomography is an x-ray technique in which shadows of superimposed structures are blurred out by a moving x-ray tube Conventional tomography is now less commonly used because of the availability of cross-sectional imaging techniques such as US, CT, and MRI There are 2 basic types of tomography: linear and nonlinear In both techniques, the tube moves in one direction while the film cassette
  • Computed Tomography (CT) - Harvard Health
    What is a computed tomography scan? CT scans are pictures taken by a specialized x-ray machine The machine circles your body and scans an area from every angle within that circle The machine measures how much the x-ray beams change as they pass through your body It then relays that information to a computer, which generates a collection of black-and-white pictures, each showing a slightly
  • What Exactly Is a CT Scan? How It Works and What to Expect
    A CT scan (computed tomography scan) is a medical imaging technique that uses X-rays taken from many angles around your body to create detailed, 360-degree cross-sectional images Unlike a standard X-ray, which produces a flat, two-dimensional picture, a CT scan combines hundreds of X-ray measurements into a computerized 3D view of your bones, organs, and blood vessels The result is far more





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