Organ or Tissue Function
immunity Audio
im·mu·ni·ty [ ih-myoo-ni-tee ]
Etymology:
Latin immunitas = exemption
Originally, it meant free of taxes or public duties.
Definitions related to immune response:
  • (immunity) Nonsusceptibility to the invasive or pathogenic effects of foreign microorganisms or to the toxic effect of antigenic substances.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
  • (immunity) The body's ability to resist infection and disease.
    Harvard Dictionary of Health Terms
    Harvard Medical Publishing, 2011
  • Alteration in the reactivity of the immune system of an organism in response to an antigen; in vertebrates, this may involve antibody production, induction of cell mediated immunity, complement activation or development of immunological tolerance.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • Any immune system process that functions in the calibrated response of an organism to a potential internal or invasive threat.
    Gene Ontology Dictionary
    Gene Ontology Consortium, 2021
  • The activity of the immune system against foreign substances (antigens).
    NCI Dictionary of Cancer Terms
    U.S. National Cancer Institute, 2021
  • (immune response process) Any immune system response of an organisms to an internal or invasive threat.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.