Structured Summary
Abstract
Penetrating electromagnetic radiation emitted when the inner orbital electrons of an atom are excited and release radiant energy. X-ray wavelengths range from 1 pm to 10 nm. Hard X-rays are the higher energy, shorter wavelength X-rays. Soft x-rays or Grenz rays are less energetic and longer in wavelength. The short wavelength end of the X-ray spectrum overlaps the GAMMA RAYS wavelength range. The distinction between gamma rays and X-rays is based on their radiation source.
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Synonyms
19 entry terms
- Radiation, X
- Roentgen Ray
- Roentgen Rays
- X Ray
- X-Radiation
- X-Ray
- Xray
- Xrays
- Ray, Roentgen
- Ray, X
- Rays, Roentgen
- Rays, X
- X Radiation
- X Rays
- X-Radiations
- Grenz Ray
- Grenz Rays
- Ray, Grenz
- Rays, Grenz
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Aspects Covered
1 allowable subheadings
Indexed with the subheadings adverse effects.
MeSH Record
Indexing Annotation
diagnostic use of X-rays = RADIOGRAPHY + specific disease /diag image; therapeutic use of X-rays = X-RAY THERAPY (general) or /radiother with specific diseases; X-ray or x-ray in translations: follow text
MeSH Record
History Note
91(75); was see under RADIATION, IONIZING 1976-90; was see under RADIATION 1965-75
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References
- National Library of Medicine. X-Rays. Medical Subject Headings (MeSH). 2026. Unique ID D014965. http://id.nlm.nih.gov/mesh/2026/D014965
- X-Rays. In: Wikipedia. https://en.wikipedia.org/wiki/X-ray
- X-Rays. In: Wikidata. https://www.wikidata.org/wiki/Q34777