cell-mediated reaction

cell-·me·di·at·ed re·ac·tion

immunologic reaction of the delayed type, involving antigen-specific T lymphocytes, important in host defense against infection, in autoimmune diseases, and in transplant rejection.
See also: skin test.

cell-me·di·at·ed re·ac·tion

(sel'mē'dē-āt-ĕd rē-ak'shŭn)
Immunologic reaction of the delayed type, involving chiefly T lymphocytes; important in host defense against infection, in autoimmune diseases, and in organ transplant rejection.
See also: skin test
References in periodicals archive ?
Gell and Coombs classification of drug allergies (6) Type Mechanism Example Type 1 IgE antibodies mast cell/ Penicilin- basophil degranulation anaphylaxis Type 2 IgG against cell surface/ IgM-mediated cytotoxic reaction Quinidine- hemolytic anemia Type 3 Immune complex Cephalexin- storage reaction serum disease Type 4 Delayed type Neomycine- cell-mediated reaction contact dermatitis Table 4.
Hypersensitivity pneumonitis (HP), originally known as extrinsic allergic alveolitis, is an allergic lung disease caused by the inhalation of organic or inorganic particles that trigger a cascade of immune-complex and cell-mediated reactions.

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