- Types:
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X-radiation, X-raying
obtaining images by the use of X rays
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echography, sonography, ultrasonography, ultrasound
using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram); commonly used to observe fetal growth or study bodily organs
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PET, positron emission tomography
using a computerized radiographic technique to examine the metabolic activity in various tissues (especially in the brain)
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MRI, magnetic resonance imaging
the use of nuclear magnetic resonance of protons to produce proton density images
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radiology, radioscopy
(radiology) examination of the inner structure of opaque objects using X rays or other penetrating radiation
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CAT, CT, computed axial tomography, computed tomography, computerized axial tomography, computerized tomography
a method of examining body organs by scanning them with X rays and using a computer to construct a series of cross-sectional scans along a single axis
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A-scan ultrasonography
the use of ultrasonography to measure the length of the eyeball
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B-scan ultrasonography
the use of ultrasonography to view structure in the back of the eye
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fMRI, functional magnetic resonance imaging
a form of magnetic resonance imaging of the brain that registers blood flow to functioning areas of the brain
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fluoroscopy
examination of body structures using a fluoroscope
