411 REFERENCE · Wiktionary
Fc receptor
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
thumb|Schematic diagram showing Fc receptor interaction with an antibody-coated microbial pathogen
Etymology
From its binding specificity for the constant part of antibodies known as the fragment crystallizable (Fc) region.
Noun
en biochemistry A protein found on the surface of certain immune and blood cells that binds to antibodies attached to infected cells or invading pathogens, enabling antibody-mediated phagocytosis or antibody-dependent cell-mediated cytotoxicity (ADCC).