NLM Logo

Free Radicals MeSH Descriptor Data 2025


MeSH Heading
Free Radicals
Tree Number(s)
D01.339
D02.389
Unique ID
D005609
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D005609
Annotation
IM GEN only; usually NIM with coord IM
Scope Note
Highly reactive molecules with an unsatisfied electron valence pair. Free radicals are produced in both normal and pathological processes. Free radicals include reactive oxygen and nitrogen species (RONS). They are proven or suspected agents of tissue damage in a wide variety of circumstances including radiation, damage from environment chemicals, and aging. Natural and pharmacological prevention of free radical damage is being actively investigated.
Entry Term(s)
Free Radical
Registry Numbers
0
Previous Indexing
Chemistry (1966)
Chemistry, Physical (1966)
Electron Spin Resonance (1966)
See Also
Free Radical Scavengers
Spin Trapping
Public MeSH Note
76
History Note
76(67)
Date Established
1976/01/01
Date of Entry
1999/01/01
Revision Date
2023/06/01
Free Radicals Preferred
page delivered in 0.193s