Fc region

noun

The portion of an antibody formed from the constant region domains of the heavy chain that constitutes the tail and mediates effector functions such as complement activation and Fc receptor binding.

Similar
fragment crystallizable region
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Meanings

nounFc region (plural Fc regions)

plural Fc regions

  1. molecular biologybiochemistryThe portion of an antibody formed from the constant region domains of the heavy chain that constitutes the tail and mediates effector functions such as complement activation and Fc receptor binding.

    Synonyms: fragment crystallizable region

Synonyms & antonyms

nounThe portion of an antibody formed from the constant region domains of the heavy chain that constitutes the tail and mediates effector functions such as complement activation and Fc receptor binding.

Similar
fragment crystallizable region
Cite this entry
APA

Fc region. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Fc%20region

MLA

“Fc region.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Fc%20region. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Fc region,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Fc%20region.

Source: Fc region on Wiktionary, CC BY-SA 4.0.