B cell

noun

A lymphocyte, developed in the bursa of birds and the bone marrow of other animals, that produces antibodies and is co-responsible for the immune system.

Meanings

nounB cell (plural B cells)

plural B cells · alternative B-cell

  1. immunologyA lymphocyte, developed in the bursa of birds and the bone marrow of other animals, that produces antibodies and is co-responsible for the immune system.

    Mature B cells produce complex proteins called immunoglobins which combine to form antibodies, each capable of binding to a specific molecular structure.

    2011, Terence Allen, Graham Cowling, The Cell: A Very Short Introduction, Oxford, page 89

    Synonyms: B lymphocyte, bursacyte

Synonyms & antonyms

nounA lymphocyte, developed in the bursa of birds and the bone marrow of other animals, that produces antibodies and is co-responsible for the immune system.

More synonyms by meaning

nouna lymphocyte derived from bone marrow that provides humoral immunity; it recognizes free antigen molecules in solution and matures into plasma cells that secrete immunoglobulin (antibodies) that inactivate the antigens

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

Translations

Catalan limfòcit B, cèl·lula B
  • limfòcit Blymphocyte that produces antibodies
  • cèl·lula Blymphocyte that produces antibodies
Chinese Mandarin B細胞 /B细胞
  • B細胞 /B细胞 (bì-xìbāo)lymphocyte that produces antibodies
German B-Lymphozyt, B-Zelle
  • B-Lymphozytlymphocyte that produces antibodies
  • B-Zellelymphocyte that produces antibodies
Hungarian B-sejt, B-limfocita
  • B-sejtlymphocyte that produces antibodies
  • B-limfocitalymphocyte that produces antibodies
  • B-lymphocytalymphocyte that produces antibodies
Japanese B細胞
  • B細胞 (bī-saibō)lymphocyte that produces antibodies
Korean B세포
  • B세포 (bisepo)lymphocyte that produces antibodies
Portuguese linfócito B, célula B
  • linfócito Blymphocyte that produces antibodies
  • célula Blymphocyte that produces antibodies
Spanish linfocito B, célula B
  • linfocito Blymphocyte that produces antibodies
  • célula Blymphocyte that produces antibodies
Swahili seli B
  • seli Blymphocyte that produces antibodies
Swedish B-cell
  • B-celllymphocyte that produces antibodies
Cite this entry
APA

B cell. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/B%20cell

MLA

“B cell.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/B%20cell. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “B cell,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/B%20cell.

Source: B cell on Wiktionary, CC BY-SA 4.0.