Hypersensitivity

{
  "id": "MLC-T-CHM-005524",
  "term": "Hypersensitivity",
  "field": "Chemistry",
  "definition": "An exaggerated or inappropriate immune response to an antigen that causes tissue damage or disease in the host. This reaction occurs upon re-exposure to an antigen that has been previously encountered. Hypersensitivity reactions are classified into four types based on the immunological mechanisms involved, as described by Gell and Coombs.",
  "subject": "Chemistry and Human Health",
  "see_also": [
    "Gell and Coombs classification",
    "allergen",
    "allergic",
    "allergy",
    "immunoglobulin E"
  ],
  "references": [
    "PAC, 2012, 84, 1113. 'IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)' on page 1180 (https://doi.org/10.1351/PAC-REC-11-06-03)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/hypersensitivity/"
}