Concept information
Preferred term
Technetium
Type
-
Topical Descriptor
Broader concept
Entry terms
- 99m, Technetium
- Technetium 99m
Note
- note entry term: many specific Technetium Tc 99m terms are available
Scope note
- The first artificially produced element and a radioactive fission product of URANIUM. Technetium has the atomic symbol Tc, and atomic number 43. All technetium isotopes are radioactive. Technetium 99m (m=metastable) which is the decay product of Molybdenum 99, has a half-life of about 6 hours and is used diagnostically as a radioactive imaging agent. Technetium 99 which is a decay product of technetium 99m, has a half-life of 210,000 years.
URI
http://www.yso.fi/onto/mesh/D013667
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