Engineering
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Tomography is imaging by sections or sectioning.

Devise used[]

A device used in tomography is called a tomograph, while the image produced is a tomogram.

Naming[]

A tomography of several sections of the body is known as a polytomography.

Conventional[]

In conventional medical X-ray tomography, clinical staff make a sectional image through a body by moving an X-ray source and the film in opposite directions during the exposure.

Where used[]

The method is used in medicine, archaeology, biology, geophysics, oceanography, materials science, astrophysics and other sciences.

How done[]

In most cases it is based on the mathematical procedure called tomographic reconstruction.

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