technetium

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technetium

 [tek-ne´she-um]
a chemical element, atomic number 43, atomic weight 99, symbol Tc. (See Appendix 6.)
technetium 99m the most frequently used radioisotope in nuclear medicine, a gamma emitter having a half-life of 6.01 hours.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

tech·ne·ti·um (Tc),

(tek-nē'shē-ŭm),
An artificial radioactive element, atomic no. 43, atomic wt. 99, produced in 1937 by bombardment of molybdenum by deuterons; also a product of the fission of 235U; used extensively as a radiographic tracer in imaging studies of internal organs.
[G. technetos, artificial]
Farlex Partner Medical Dictionary © Farlex 2012

tech·ne·ti·um

(Tc) (tek-nē'shē-ŭm)
A radioisotope of technetium that decays by isomeric transition, emitting an essentially monoenergetic gamma ray of 142 keV with a half-life of 6.01 hr. It is usually obtained from a radionuclide generator of molybdenum 99 and is used to prepare radiopharmaceuticals for scanning the brain, parotid, thyroid, lungs, blood pool, liver, heart, spleen kidney, lacrimal drainage apparatus, bone, and bone marrow.
[G. technetos, artificial]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

technetium

An artificial radioactive element that can be incorporated into various molecules for use in RADIONUCLIDE SCANNING.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

Technetium

A radioactive isotope frequently used in radionuclide scanning of the heart and other organs. It is produced during nuclear fission reactions.
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.