Receptors for the Fc portion of immunoglobulin molecules ( FcR ) present on leukocyte cell membranes mediate a large number of cellular responses that are very important in host defense , including phagocytosis , cell cytotoxicity , production and secretion of inflammatory mediators , and modulation of the immune response .
receptors for the fc portion of immunoglobulin molecules ( fcr ) present on leukocyte cell membranes mediate a large number of cellular responses that are very important in host defense , including phagocytosis , cell cytotoxicity , production and secretion of inflammatory mediators , and modulation of the immune response .
O O O B-protein_domain_or_region I-protein_domain_or_region O B-protein_family_or_group I-protein_family_or_group O B-protein_family_or_group O O O B-cell_component B-cell_component I-cell_component O O O O O O O O O O O O O O O O B-other_name O B-other_name I-other_name O O O O O B-protein_family_or_group I-protein_family_or_group O O O O O B-other_name I-other_name O