Difference between revisions of "Tomography"
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| − | + | [[Image:CAT canner.jpg|thumb|right|250px|Medical CAT scanner]][[Image:CAT scan image.jpg|thumb|left|200px|CAT scan image of human torso]]'''Tomography''' is a method of imaging three-dimensional objects as plane sections. Three dimensional models are built up using [[electromagnetism|electromagnetic]] or acoustic [[wave]]s (such as [[x-ray]]s, [[gamma ray]]s, [[ultrasound]] or [[seismology|seismic]] waves) and processed in a [[computer]] to produce cross-sections in any desired orientation. The [[image]]s produced by tomography are known as ''tomograms''. | |
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| + | In [[medicine]], x-rays may be used to image a human body by moving it through a rotating, high-speed, [[toroid]]al scanning unit. The thousands of slices are combined in a computer, this technique is known as ''computerized axial tomography'' and the machine is known as a C.A.T scanner and the images thus produced known as tomcatograms | ||
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| + | [[Category: Medicine]] | ||
Revision as of 17:31, January 24, 2010
Tomography is a method of imaging three-dimensional objects as plane sections. Three dimensional models are built up using electromagnetic or acoustic waves (such as x-rays, gamma rays, ultrasound or seismic waves) and processed in a computer to produce cross-sections in any desired orientation. The images produced by tomography are known as tomograms.
In medicine, x-rays may be used to image a human body by moving it through a rotating, high-speed, toroidal scanning unit. The thousands of slices are combined in a computer, this technique is known as computerized axial tomography and the machine is known as a C.A.T scanner and the images thus produced known as tomcatograms