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Medical Term:

gamma probe


a hand-held device, used with a Geiger-Muller tube or scintillation counter, either for detecting radioactive substances in the environment, or for intraoperative use following interstitial injection of a radionuclide, to locate regional lymph nodes by their radioactivity.

See Also: gamma

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.