Dictionary of Human Evolution and Biology

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CAT Scanning

Computer assisted tomography scanning, a technology in which an X-ray emitter is positioned between the body region that is being examined and an X-ray detector positioned on the opposite side. Because different organs absorb X-rays differently, a computer associated with the detector can record virtual slices taken through bones or skulls that indicate the shape and extent of internal cavities. Software then produces an integrated threedimensional image of the subject tissue. CT scans are used in human paleontology to observe internal structures of fossils not accessible by conventional observation. Aka CT scanning.

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