positron emission tomography

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Related to Positron emmision tomography: single photon emission computed tomography

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

n
(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


n.
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
Translations
pozitronová emisní tomografie
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