Frequency of antigen-sensitive cells to thymus-independent antigens.

Animals Antibody Formation Antibody-Producing Cells Antigens Antigens, Bacterial Bone Marrow/immunology Bone Marrow Cells Bone Marrow Transplantation Endotoxins Erythrocytes/immunology Escherichia coli/immunology Hemolytic Plaque Technique Mice Mice, Inbred Strains Polysaccharides, Bacterial Radiation Chimera Sheep Spleen/immunology Thymectomy Thymus Gland/immunology

Antigens Antigens, Bacterial Endotoxins Polysaccharides, Bacterial