B-Lymphocyte

**Semantic type:** Cell

**Definition:** Immunologically important lymphocyte that is not thymus-dependent, is either short-lived and naive or long-lived and of memory phenotype, and resembles the bursa-derived lymphocyte of birds in that it is responsible for the production of immunoglobulins.

**Synonyms:** - B Cell - B Cells - B Lymphocytes - B cell - B lymphocyte - B-Cell - B-Cells - B-Lymphocytes - Bursa-Dependent Lymphocyte - Bursa-Equivalent Lymphocyte