Tomography is imaging by sections or sectioning.

Devise usedEdit

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


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


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 usedEdit

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

How doneEdit

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

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