Phrase guide

Fc receptor

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

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).

Definition source: English Wiktionary via Wiktextract

Topics: biochemistry, biology, chemistry, microbiology, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From its binding specificity for the constant part of antibodies known as the fragment crystallizable (Fc) region.