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TAKE THE QUIZ“positron emission”
We have one entry that includes the term positron emission.
positron-emission tomography
noun: tomography in which a cross-sectional image of regional metabolism is obtained by a usually color-coded 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 that have been administered (as by injection)
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Merriam-Webster unabridged
