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Computed tomography (CT; also known as computer-aided tomography, or CAT) is an imaging modality that uses X rays and computational and mathematical processes to generate detailed image data of a scanned subject. X rays are generated through an evacuated tube containing a cathode, an anode, and a target material. The high voltage traveling through the tube accelerates electrons from the cathode toward the anode. This is very similar to a light bulb, with the addition of a target that generates... więcej
Salem Press Encyclopedia of Science, 2022. 3p.
Computed tomography (CT) scanning collects X-ray data and uses a computer to produce three-dimensional images, called tomograms, of body cross-sections, or slices. The noninvasiveness of CT scanning yields easy and safe body part analysis based on varying tissue opacity to X-rays. Bone absorbs X-rays well and appears white. Air absorbs them poorly, so the lungs are dark. Fat, blood, and muscle absorb X-rays to varying extents, yielding different shades of gray. Tumors and blood clots, for... więcej
Magill’s Medical Guide (Online Edition), 2023. 3p.
