type I hypersensitivity
An inflammatory response driven by antigen recognition by antibodies bound to Fc receptors on mast cells or basophils, occurring within minutes after exposure of a sensitized individual to the antigen, and leading to the release of a variety of inflammatory mediators such as histamines.
GO:0002524
hypersensitivity
is_a
GO:0016064
immunoglobulin mediated immune response
is_a
immediate hypersensitivity response
exact