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[Lymphoepithelial organs in the local immunity system of the mucous membranes].

The review deals with modern concepts of morphofunctional organization of lymphoepithelial organs relating to the lymphoid tissue associated with mucous membranes of the gastro-intestinal and respiratory tracts. They are unique among the peripheral immunogenesis organs due to their combination of lymphopoietic function with a function of the mucous membrane immunity. Their peculiar feature is their border location and close interrelation with epithelium which is an obligatory participant of the immune response.