Biological process

B lymphocyte mediated immune effector process, B lymphocyte mediated immunity, B-cell mediated immune effector process, B-cell mediated immunity, B-lymphocyte mediated immune effector process, B-lymphocyte mediated immunity

Any process involved with the carrying out of an immune response by a B cell, through, for instance, the production of antibodies or cytokines, or antigen presentation to T cells.