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Descriptor English: Isotopes
Descriptor Spanish: Isótopos
Descriptor isótopos
Entry term(s) isótopo
Scope note: Especies atómicas que difieren en el número de masa pero que tienen el mismo número atómico. (Traducción libre del original: Grant & Hackh's Chemical Dictionary, 5ª ed).
Descriptor Portuguese: Isótopos
Descriptor French: Isotopes
Entry term(s): Isotope
Tree number(s): D01.496
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D007554
Scope note: Atomic species differing in mass number but having the same atomic number. (Grant & Hackh's Chemical Dictionary, 5th ed)
Annotation: for stable isotopes only; general or unspecified; prefer specifics; m for metastable equals RADIOISOTOPES or specific pre-coordinated radioisotope
Allowable Qualifiers: AD administration & dosage
AE adverse effects
AG agonists
AI antagonists & inhibitors
AN analysis
BL blood
CF cerebrospinal fluid
CH chemistry
CL classification
CS chemical synthesis
EC economics
HI history
IM immunology
IP isolation & purification
ME metabolism
PD pharmacology
PK pharmacokinetics
PO poisoning
RE radiation effects
SD supply & distribution
ST standards
TO toxicity
TU therapeutic use
UR urine
Public MeSH Note: 74; was see under RADIOISOTOPES 1963-73
Online Note: search RADIOISOTOPES 1966-73
History Note: 74; was see under RADIOISOTOPES 1963-73
Related: Radioisotopes MeSH
DeCS ID: 7723
Unique ID: D007554
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 1974/01/01
Date of Entry: 1999/01/01
Revision Date: 2020/05/27
Isotopes - Preferred
Concept UI M0011806
Scope note Atomic species differing in mass number but having the same atomic number. (Grant & Hackh's Chemical Dictionary, 5th ed)
Preferred term Isotopes
Entry term(s) Isotope



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