"Hypersensitivity, Immediate" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus,
MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure,
which enables searching at various levels of specificity.
Hypersensitivity reactions which occur within minutes of exposure to challenging antigen due to the release of histamine which follows the antigen-antibody reaction and causes smooth muscle contraction and increased vascular permeability.
This graph shows the total number of publications written about "Hypersensitivity, Immediate" by people in this website by year, and whether "Hypersensitivity, Immediate" was a major or minor topic of these publications.
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