ICT (Information Communications Technology) is a term widely used in the context of education. Even though there is no universally accepted definition for ICT, it mainly refers to utilizing digital technologies such as computers, television, email, etc to help individuals or organizations to use information.
Type IV (called also delayed hypersensitivity) involves sensitized T lymphocytes that react with cell bound or associated antigen and release lymphokines, causing mononuclear cell accumulation, tissue damage and inflammation, typically manifesting at least 24 hours after exposure to the antigen.
1 In the present study, we also observed that lymphocytes, the mediators of the cell-mediated immune response, are noted more frequently around Fas-positive but not Fas-negative cells.2  Sarcoidosis is considered to be a hypersensitivity disorder, in which an antigen induces a T cell-mediated cellular immune response.enoting the aspect of an immune response involving the action of white blood cells, rather than that of circulating antibodies. Often contrasted with humoral. Example sentences. 1  The immune system mounts a cell-mediated reaction in which macrophages attach to the outer walls of the bacteria for active phagocytosis.