title: NK cells: a discrete leukocyte subset of still undefined origin mediating biologically relevant functions upon specific stimulation.
mesh_terms: D000818:Animals; D000920:Antibody-Dependent Cell Cytotoxicity; D015329:Gene Rearrangement, T-Lymphocyte; D006801:Humans; D007694:Killer Cells, Natural / Q000145:classification / Q000276:immunology*; D008213:Lymphocyte Activation; D051379:Mice; D011961:Receptors, Fc / Q000235:genetics / Q000276:immunology
chemical_list: D011961:Receptors, Fc