title: Production of specific antibody without specific immunization.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000918:Antibody Specificity; D001402:B-Lymphocytes; D002460:Cell Line; D006822:Hybrid Cells / Q000276:immunology*; D008213:Lymphocyte Activation; D051379:Mice; D010954:Plasmacytoma; D013154:Spleen / Q000166:cytology