technetium 99m

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.

tech·ne·ti·um 99m (^99mTc),

(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 hours. 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.

单词	technetium 99m
释义	DictionarySeetechnetium technetium 99m 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. tech·ne·ti·um 99m (^99mTc), (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 hours. 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.
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technetium 99m

technetium

tech·ne·ti·um 99m (99mTc),

tech·ne·ti·um 99m (^99mTc),