<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>A process that involves the binding of an immunoglobulin on the surface of a B cell to a cognate antigen on the surface of a follicular dendritic cell, resulting in a strong survival signal for the immunoglobulin-bearing cell. These interactions are involved in activation, proliferation and maturation of selected B cells and apoptosis of non-selected populations.</n0:def-definition><n0:def-source>NCI</n0:def-source></n0:ComplexDefinition>