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Alveolitis, Extrinsic Allergic MeSH Descriptor Data 2026


MeSH Heading
Alveolitis, Extrinsic Allergic
Tree Number(s)
C08.381.483.125
C08.674.055
C20.543.480.680.075
Unique ID
D000542
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D000542
Scope Note
A common interstitial lung disease caused by hypersensitivity reactions of PULMONARY ALVEOLI after inhalation of and sensitization to environmental antigens of microbial, animal, or chemical sources. The disease is characterized by lymphocytic alveolitis and granulomatous pneumonitis.
Entry Term(s)
Allergic Alveolitis, Extrinsic
Hypersensitivity Pneumonitis
Pneumonitis, Hypersensitivity
NLM Classification #
WF 654
Previous Indexing
Respiratory Hypersensitivity (1966-1976)
Public MeSH Note
77
History Note
77
Date Introduced
1977/01/01
Last Updated
2008/07/08
Alveolitis, Extrinsic Allergic Preferred
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