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Descriptor English: Actinium
Descriptor Spanish: Actinio
Descriptor actinio
Scope note: Elemento radioactivo trivalente y miembro prototípico de la familia de los actínidos. Su símbolo atómico es Ac y su número atómico 89. Su principal isótopo, el Ac-227, se desintegra principalmente por emisión beta.
Descriptor Portuguese: Actínio
Descriptor French: Actinium
Tree number(s): D01.268.271.100.033
D01.268.556.025
D01.496.749.305.100.033
D01.552.020.042
D01.552.544.025
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D000186
Scope note: A trivalent radioactive element and the prototypical member of the actinide family. It has the atomic symbol Ac, and atomic number 89. Its principal isotope is 227 and it decays primarily by beta-emission.
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: NIK1K0956U
CAS Type 1 Name: Actinium
DeCS ID: 29313
Unique ID: D000186
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: 2017/04/21
Actinium - Preferred
Concept UI M0000279
Scope note A trivalent radioactive element and the prototypical member of the actinide family. It has the atomic symbol Ac, and atomic number 89. Its principal isotope is 227 and it decays primarily by beta-emission.
Preferred term Actinium



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