Chemicals and Drugs

Particulate Matter

Particles of any solid substance, generally under 30 microns in size, often noted as PM30. There is special concern with PM1 which can get down to PULMONARY ALVEOLI and induce MACROPHAGE ACTIVATION and PHAGOCYTOSIS leading to FOREIGN BODY REACTION and LUNG DISEASES.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Particles of any solid substance, generally under 30 microns in size, often noted as PM30. There is special concern with PM1 which can get down to PULMONARY ALVEOLI and induce MACROPHAGE ACTIVATION and PHAGOCYTOSIS leading to FOREIGN BODY REACTION and LUNG DISEASES.

MeSH Record

Classification

Broader headings

Narrower headings

Related Concepts

Knowledge Graph

Loading graph…

Drag nodes to rearrange; hover to trace links; click a node to open its page.

Drug Class

Pharmacological Action

MeSH Record

See Also

MeSH Record

Synonyms

15 entry terms
  • Air Pollutants, Particulate
  • Airborne Particulate Matter
  • Ambient Particulate Matter
  • Ultrafine Fiber
  • Ultrafine Fibers
  • Ultrafine Particle
  • Ultrafine Particles
  • Ultrafine Particulate Matter
  • Fiber, Ultrafine
  • Particle, Ultrafine
  • Particles, Ultrafine
  • Particulate Air Pollutants
  • Particulate Matter, Airborne
  • Particulate Matter, Ambient
  • Particulate Matter, Ultrafine

MeSH Record

Aspects Covered

25 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, agonists, analogs & derivatives, analysis, antagonists & inhibitors, blood, cerebrospinal fluid, chemical synthesis, chemistry, classification, economics, history, immunology, isolation & purification, metabolism, pharmacokinetics, pharmacology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity, urine.

MeSH Record

History Note

2007

MeSH Record

Previous Indexing

  • Air Pollutants (1973-2006)
  • Air Pollution (1965-2006)
  • Particle Size (1972-2006)

MeSH Hierarchy

Tree Number

  1. D20.633w

AMA Style

References

  1. National Library of Medicine. Particulate Matter. Medical Subject Headings (MeSH). 2026. Unique ID D052638. http://id.nlm.nih.gov/mesh/2026/D052638
  2. Particulate Matter. In: Wikipedia. https://en.wikipedia.org/wiki/Particulate_matter
  3. Particulate Matter. In: Wikidata. https://www.wikidata.org/wiki/Q498957