positron emission tomography

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Related to Positron emission tomograph: functional magnetic resonance imaging

positron emission tomography

n. Abbr. PET
Tomography in which a computer-generated image of local metabolic and physiological functions in tissues is produced through the detection of gamma rays that are emitted when introduced radionuclides decay and release positrons.

positron emission tomography

(Medicine) a technique for assessing brain activity and function by recording the emission of positrons from radioactively labelled substances, such as glucose or dopamine

pos′itron emis`sion tomog`raphy

the process of producing a PET scan. Compare PET scanner.

Positron Emission Tomography

(PET scan) A diagnostic method of examining tissues within the brain using a radioactive isotope injected into the bloodstream
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.positron emission tomography - using a computerized radiographic technique to examine the metabolic activity in various tissues (especially in the brain)
tomography, imaging - (medicine) obtaining pictures of the interior of the body
pozitronová emisní tomografie
References in periodicals archive ?
He is a member of the highly respected National Academy of Science, the inventor of an early version of the Positron Emission Tomograph, or PET scan, and a pioneer of the MRI (magnetic resonance imaging) scanner, both of which have revolutionized our ability to see into the body and brain.
It~s main purpose The supply and installation of a positron emission tomograph (toe-toc), the management of the work required for its implementation, qualification, commissioning and validation and training.
This study utilizes functional magnetic resonance imaging (fMRI) and positron emission tomograph (PET) to study neural pathways related to appetite, reward and other symptoms.

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