Medical Dictionary

positron-emission tomography


positron–emission tomography

noun

Definition of POSITRON-EMISSION TOMOGRAPHY

:  tomography in which an in vivo, noninvasive, cross-sectional image of regional metabolism is obtained by a usually color-coded cathode-ray tube representation of the distribution of gamma radiation given off in the collision of electrons in cells with positrons emitted by radionuclides incorporated into metabolic substances—abbreviation PET
February 28, 2015
pontificate Hear it
To speak pompously or dogmatically
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