Phenomena and Processes

Ionizing Radiation

ELECTROMAGNETIC RADIATION or particle radiation (high energy ELEMENTARY PARTICLES) capable of directly or indirectly producing IONS in its passage through matter. The wavelengths of ionizing electromagnetic radiation are equal to or smaller than those of short (far) ultraviolet radiation and include gamma and X-rays.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

ELECTROMAGNETIC RADIATION or particle radiation (high energy ELEMENTARY PARTICLES) capable of directly or indirectly producing IONS in its passage through matter. The wavelengths of ionizing electromagnetic radiation are equal to or smaller than those of short (far) ultraviolet radiation and include gamma and X-rays.

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MeSH Record

Synonyms

3 entry terms
  • Radiation, Ionizing
  • Ionizing Radiations
  • Radiations, Ionizing

MeSH Record

Aspects Covered

1 allowable subheadings

Indexed with the subheadings classification.

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Indexing Annotation

policy: Manual 19.8.60, 21.16, 28.11.1; /adv eff = RADIATION INJURIES but see note there

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History Note

76; was NON MESH before 1976

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Previous Indexing

  • Radiation (1966-1975)

MeSH Hierarchy

Tree Number

  1. G01w.750w.750w

MeSH Record

NLM Classification

WN 105

AMA Style

References

  1. National Library of Medicine. Ionizing Radiation. Medical Subject Headings (MeSH). 2026. Unique ID D011839. http://id.nlm.nih.gov/mesh/2026/D011839
  2. Ionizing Radiation. In: Wikipedia. https://en.wikipedia.org/wiki/Ionizing_radiation
  3. Ionizing Radiation. In: Wikidata. https://www.wikidata.org/wiki/Q186161