Plaque Formation in Agar by Single Antibody-Producing Cells.
Distinct plaques, each of which is due to the release of hemolysin by a single antibody-forming cell, are revealed by complement after incubation, in an agar layer, of a mixture of sheep red cells and lymphoid cells from a rabbit immunized with sheep red cells.
Jerne
N K
NK
Nordin
A A
AA