title: Cellular recognition and evolution.
mesh_terms: D000937:Antigen-Antibody Reactions; D005075:Biological Evolution; D002449:Cell Aggregation; D002477:Cells / Q000276:immunology*; D003582:Cytogenetics; D006648:Histocompatibility; D006801:Humans; D007111:Immunity, Cellular; D007136:Immunoglobulins
chemical_list: D007136:Immunoglobulins