In contact dermatitis which cells play major role-
Contact dermatitis is a type IV hypersensitivity reaction. - this is a cell mediated response. The antigen activates specifically sensitised CD4 & CD8 T lymphocytes leading to the secretion of lymphokines and phagocyte accumulation. Reference : Anathanarayan & paniker's 9th edition, pg no: 162 <\p>
T-cells
B-cells
Langhan cells
Macrophage
Immunology