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.
SKIN INFLAMMATION. Mast cells are well known for their role in skin hypersensitivity reac-. tions.37â41 Skin mast cells are located close to sensory nerve endings42 and can. be triggered by neuropeptides,43â46 such as neurotensin (NT),47 nerve growth.