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Half-Life
MeSH Descriptor Data 2024
Details
Qualifiers
MeSH Tree Structures
Concepts
MeSH Heading
Half-Life
Tree Number(s)
G01.910.405
Unique ID
D006207
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D006207
Annotation
usually NIM
Scope Note
The time it takes for a substance (drug, radioactive nuclide, or other) to lose half of its pharmacologic, physiologic, or radiologic activity.
Entry Term(s)
Halflife
Previous Indexing
specific radioisotope, substance, or cell
Time (1966-1970)
Public MeSH Note
74
History Note
74(71)
Date Established
1974/01/01
Date of Entry
1999/01/01
Revision Date
2008/07/08
No Qualifiers
Physical Phenomena [G01]
Time [G01.910]
Chronology as Topic [G01.910.200]
Half-Life [G01.910.405]
Periodicity [G01.910.645]
Photoperiod [G01.910.675]
Time Factors [G01.910.857]
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Half-Life
Preferred
Concept UI
M0009757
Scope Note
The time it takes for a substance (drug, radioactive nuclide, or other) to lose half of its pharmacologic, physiologic, or radiologic activity.
Terms
Half-Life
Preferred Term
Term UI
T018842
Date
01/01/1999
LexicalTag
NON
ThesaurusID
NLM (1971)
Halflife
Term UI
T018843
Date
12/07/1977
LexicalTag
NON
ThesaurusID
UNK (19XX)
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