immune complexmedical dictionary

<immunology> Multimolecular antibody antigen complexes that may be soluble or insoluble depending upon their size and whether or not complement is present.

Immune complexes can be filtered from plasma in the kidney and the deposition of the complexes gives rise to glomerulonephritis probably because of the trapping of neutrophils via their Fc receptors.

This entry appears with permission from the Dictionary of Cell and Molecular Biology

(11 Mar 2008)