tomography

n. X-ray photography using a tomograph

Tomography is imaging by sections or sectioning. A device used in tomography is called a tomograph, while the image produced is a tomogram. The method is used in medicine, archaeology, biology, geophysics, oceanography, materials science and other sciences. In most cases it is based on the mathematical procedure called tomographic reconstruction. There are many different types of tomography, as listed: (Note that the  Greek word tomos conveys the meaning of "a section" or "a cutting"). A tomography of several sections of the body is known as a polytomography.
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Tomography /to·mog·ra·phy/ the recording of internal body images at a predetermined plane by means of the tomograph. [more]Tomography - Community and Resources

Noun
1. (medicine) obtaining pictures of the interior of the body
(synonym) imaging
(hypernym) pictorial representation, picturing
(hyponym) X-raying, X-radiation
(classification) medicine, medical specialty

[tuh-MAH-gra-fee]
A series of detailed pictures of areas inside the body; the pictures are created by a computer linked to an x-ray machine.