- T cell–mediated hypersensitivity reaction
- type IV hypersensitivity r.
Medical dictionary. 2011.
T cell–mediated hypersensitivity reaction
Look at other dictionaries:
type IV hypersensitivity — hypersensitivity initiated by antigen specific T lymphocytes; unlike forms mediated by antibodies, it takes one or more days to develop and can be transferred by lymphocytes but not by serum. The term is often equated with delayed… … Medical dictionary
type IV — a reaction of cell mediated immunity, the immune response being initiated by antigen specific T lymphocytes; in contrast to the reactions of immediate hypersensitivity, reactions take one or more days to develop and can be transferred by… … Medical dictionary
Gell and Coombs classification — a classification of immune mechanisms of tissue injury, called by Gell and Coombs “allergic reactions,†comprising four types: type I, immediate hypersensitivity reactions, mediated by IgE antibody; type II, antibody mediated hypersensitivity … Medical dictionary
Cell — The basic structural and functional unit in people and all living things. Each cell is a small container of chemicals and water wrapped in a membrane. Each cell in the human body there are 100 trillion cells in each of us contains the entire… … Medical dictionary
