positron emission tomography
- the process of producing a PET scan.
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Compare PET scanner.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
positron emission tomography
- a technique for assessing brain activity and function by recording the emission of positrons from radioactively labelled substances, such as glucose or dopamine
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
positron emission tomography
- 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.
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The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
positron emission tomography
- Tomography in which a computer-generated image of metabolic or physiologic activity within the body is produced through the detection of gamma rays that are emitted when introduced radionuclides decay and release positrons. The images are used in the evaluation of coronary artery disease, epilepsy, and other medical disorders.
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The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.