B cells

β

Abbreviation for beta.

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be·ta

(β) (bā'tă)

1. Second letter of the Greek alphabet.

2. chemistry Denotes the second in a series, the second carbon from a functional (e.g., carboxylic) group, or the direction of a chemical bond toward the viewer. For terms with the prefix β, see the specific term.

B cells

B LYMPHOCYTES, one of the two main classes of lymphocytes, white cells found in the blood, lymph nodes and tissues which, with other cells, form the immune system of the body. B lymphocytes form CLONES of plasma cells which manufacture antibodies (IMMUNOGLOBULINS).