Definify.com

Definition 2024

B cell ‎(plural B cells)

(immunology) 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.
- 2011, Terence Allen and Graham Cowling, The Cell: A Very Short Introduction, Oxford 2011, p. 89:
  Mature B cells produce complex proteins called immunoglobins which combine to form antibodies, each capable of binding to a specific molecular structure.