Search
Descriptor in English: Thorium
Descriptor in Spanish: Torio
Descriptor in Portuguese: Tório
Descriptor in French: Thorium
Tree number(s): D01.268.271.100.900
D01.268.556.850
D01.496.749.305.100.900
D01.552.020.889
D01.552.544.850
Scope note: A radioactive element of the actinide series of metals. It has an atomic symbol Th, atomic number 90, and atomic weight 232.04. It is used as fuel in nuclear reactors to produce fissionable uranium isotopes. Because of its radioopacity, various thorium compounds are used to facilitate visualization in roentgenography.
Allowable Qualifiers: 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
PD pharmacology
PK pharmacokinetics
PO poisoning
SD supply & distribution
ST standards
TO toxicity
TU therapeutic use
UR urine
DeCS UI: 29566
Descriptor UI: D013910
Date Established: 1966/01/01
Date of Entry: 1999/01/01
Revision Date: 2017/04/25
Thorium - Preferred
Concept UI M0021412
Scope note A radioactive element of the actinide series of metals. It has an atomic symbol Th, atomic number 90, and atomic weight 232.04. It is used as fuel in nuclear reactors to produce fissionable uranium isotopes. Because of its radioopacity, various thorium compounds are used to facilitate visualization in roentgenography.
Preferred term Thorium



We want your feedback on the new DeCS / MeSH website

We invite you to complete a survey that will take no more than 3 minutes.


Go to survey