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TECHNETIUM
Descriptors Found:
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DeCS
Descriptor
English
:
Technetium
Descriptor
Spanish
:
Tecnecio
Descriptor
Portuguese
:
Tecnécio
Synonyms
English
:
99m, Technetium
Technetium 99m
Tree Number:
D01.268.271.870
D01.268.556.843
D01.268.956.875
D01.496.749.305.870
D01.552.544.843
Definition
English
:
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.
Indexing Annotation
English
:
note entry term: many specific
Technetium
Tc 99m terms are available
See Related
English
:
Organotechnetium Compounds
Allowable Qualifiers
English
:
AD
administration & dosage
AE
adverse effects
AN
analysis
BL
blood
CF
cerebrospinal fluid
CH
chemistry
CL
classification
EC
economics
HI
history
IP
isolation & purification
ME
metabolism
PK
pharmacokinetics
PD
pharmacology
PO
poisoning
ST
standards
SD
supply & distribution
TU
therapeutic use
TO
toxicity
UR
urine
Record Number:
29561
Unique Identifier:
D013667
Occurrence in VHL
:
Similar:
DeCS