Fc Receptor

Definition 1

Receptors found on the cell surface of some B-lymphocytes, T-lymphocytes, and macrophages, which recognize the Fc (constant region fragment) portion of immunoglobulin molecules. (NCI Thesaurus)

Definition 2

family of cell surface molecules which mediate the specific intracellular effects of antibody binding, usually by the Fc region; do not confuse with other antibody-binding moieties which are normally antigens that bind to the Fab region. (NIH CRISP Thesaurus)

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