Hypersensitivity Definition

Hypersensitivity:

Altered reactivity to an antigen, which can result in pathologic reactions upon subsequent exposure to that particular antigen.

Synonym: allergy, allergies, allergic reaction.

Terms Related to Hypersensitivity

Immediate Hypersensitivity
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 …
Latex Hypersensitivity
Allergic reaction to products containing processed natural rubber latex such as rubber gloves, condoms, catheters, dental dams, balloons, and sporting equipment. Both T-cell mediated (HYPERSENSITIVITY, …
Immunodiagnosis
Diagnostic techniques involving the demonstration or measurement of an immune response, including antibody production or assay, antigen-antibody reactions, serologic cross-reactivity, delayed hypersensitivity reactions, or heterogenetic …