CT scan of chest showing lungs

CT scan of chest showing lungs

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Credit: SIMON FRASER/SCIENCE PHOTO LIBRARY

Caption: Computed X-ray tomography (CT) scan of the chest of a healthy woman aged 28 years, showing normal lungs (left & right) with the heart between them. Bone in the spine, ribs and shoulder blades appears white. In CT, a narrow X-ray beam is directed through the subject towards a diametrically-opposed detector. A series of "slices" is made, with source & detector moving synchronously around the subject. Measurements of transmitted X-rays are processed by computer to reveal how elements of tissue in each "slice" attenuate X-rays - the basis for constructing the image. Courtesy of Radiography Dept. , Royal Victoria Infirmary, Newcastle-upon-Tyne.

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Keywords: anatomy, chest, computed tomography, ct, ct scan, healthy, heart, human body, lung, lungs, respiratory system, scan, woman

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