Confocal micrograph illustrating high levels of TACI on an extra-follicular foci (splenic sections stained with PNA, TACI, B220)

Confocal micrograph showing the absence of BLyS from the germinal center (splenic sections stained with PNA, BLyS, CD3ε)

Confocal micrograph illustrating the anatomical location of germinal centers at the T-B border (PNA+ germinal center , CD3ε+ T, IgD+ B cells)

Confocal micrograph illustrating splenic architecture with MOMA-1+ macrophage layer seperating Marginal zone B cells (IgMhiIgDlo) from the Follicular B cells (IgMloIgDhi)