Tomography

/təˈmɒɡrəfi/

Meaning & Definition

noun
A technique for displaying a representation of a cross section through a human body or other solid object using X-rays or ultrasound.
Computed tomography (CT) scans are widely used in modern medicine to diagnose diseases.
The process of generating an image or representation of a three-dimensional object by compiling data from multiple two-dimensional images.
Magnetic resonance tomography provides detailed images of organs and tissues in the body.
Any imaging technique that provides images of sections of a solid object.
Positron emission tomography (PET) is used to observe metabolic processes in the body.

Etymology

Derived from 'tomo-' meaning 'slice' or 'section' and the suffix '-graphy' meaning 'writing' or 'description'.

Common Phrases and Expressions

computed tomography
A method of imaging using computer-processed combinations of many x-ray measurements taken from different angles.
magnetic resonance tomography
An imaging technique that uses magnetic fields and radio waves to create detailed images of the organs and tissues.

Related Words

radiology
The medical specialty that uses imaging techniques to diagnose and treat diseases.
ultrasound
A technique that uses high-frequency sound waves to create images of the inside of the body.

Slang Meanings