noun
B cell; B lymphocyte
Physiology term for a type of lymphocyte involved in humoral immunity.
Ｂ細胞は抗体を産生する。
B cells produce antibodies.
Kana spelling of the B part; less common but sometimes seen.
T cells are another major lymphocyte type involved in cell-mediated immunity, while B cells are responsible for antibody production.
From English 'B cell', where B stands for 'bursa of Fabricius' (the organ where B cells were first discovered in birds). The Japanese term is a direct loan translation.