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Descriptor English: Thorium
Descriptor Spanish: Torio
Descriptor torio
Scope note: Elemento radiactivo de la serie de los metales actínidos. Su símbolo atómico es Th, su número atómico 90 y su peso atómico 232,04. Se utiliza como combustible en reactores nucleares para producir isótopos de uranio fisionables. Debido a su radiopacidad, diversos compuestos del torio se utilizan para facilitar la visualización en radiología.
Descriptor Portuguese: Tório
Descriptor 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
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D013910
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
Registry Number: 60YU5MIG9W
CAS Type 1 Name: Thorium
DeCS ID: 29566
Unique ID: D013910
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
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



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