| 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 |
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CHEMICALS AND DRUGS
Inorganic Chemicals [D01]Inorganic Chemicals -
CHEMICALS AND DRUGS
Inorganic Chemicals [D01]Inorganic Chemicals -
CHEMICALS AND DRUGS
Inorganic Chemicals [D01]Inorganic Chemicals -
CHEMICALS AND DRUGS
Inorganic Chemicals [D01]Inorganic Chemicals -
CHEMICALS AND DRUGS
Inorganic Chemicals [D01]Inorganic Chemicals
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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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