MeSH Browser

MeSH Heading: Particulate Matter
Tree Number(s): D20.633
Unique ID: D052638
RDF Unique Identifier: http://id.nlm.nih.gov/mesh/D052638
Scope Note: 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.
Entry Term(s): Air Pollutants, Particulate; Airborne Particulate Matter; Ambient Particulate Matter; Ultrafine Fiber; Ultrafine Fibers; Ultrafine Particle; Ultrafine Particles; Ultrafine Particulate Matter
Pharm Action: Air Pollutants
Registry Numbers: 0
Previous Indexing: Air Pollutants (1973-2006); Air Pollution (1965-2006); Particle Size (1972-2006)
Public MeSH Note: 2007
History Note: 2007
Date Established: 2007/01/01
Date of Entry: 2006/07/05
Revision Date: 2020/05/27

Allowable Qualifiers: administration & dosage (AD)

adverse effects (AE)

agonists (AG)

analogs & derivatives (AA)

analysis (AN)

antagonists & inhibitors (AI)

blood (BL)

cerebrospinal fluid (CF)

chemical synthesis (CS)

chemistry (CH)

classification (CL)

economics (EC)

history (HI)

immunology (IM)

isolation & purification (IP)

metabolism (ME)

pharmacokinetics (PK)

pharmacology (PD)

poisoning (PO)

radiation effects (RE)

standards (ST)

supply & distribution (SD)

therapeutic use (TU)

toxicity (TO)

urine (UR)

Particulate Matter MeSH Descriptor Data 2025