hypersensitivity
inflammatory response to an exogenous environmental antigen or an endogenous antigen initiated by the adaptive immune system
allergy
immune system response to a substance that most people tolerate well
type II hypersensitivity
inflammatory response resulting in cell death or dysfunction
type IV hypersensitivity
inflammatory response driven by T cell recognition of processed soluble or cell-associated antigens, leading to cytokine release and leukocyte activation
anaphylaxis
severe allergic reaction
type I hypersensitivity
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
autoimmune disease
type of human disease