title: Mucosal immunity of the middle ear.
abstract: Middle ears affected by otitis media with effusion provide mucosal immunity. However, the normal middle ear has a very poorly developed mucosal system. It can be said that the middle ear is a potential site of immunological activity during infection. The poor development of its immune system is considered one of the factors in the infection-proneness of the middle ear, which leads to otitis media with effusion.
mesh_terms: D000818:Animals; D001402:B-Lymphocytes / Q000276:immunology; D004432:Ear, Middle / Q000276:immunology*; D006168:Guinea Pigs; D006801:Humans; D007111:Immunity, Cellular; D007071:Immunoglobulin A, Secretory / Q000032:analysis / Q000276:immunology; D009092:Mucous Membrane / Q000276:immunology; D010034:Otitis Media with Effusion / Q000276:immunology; D013601:T-Lymphocytes / Q000276:immunology
chemical_list: D007071:Immunoglobulin A, Secretory