Gene Rearrangement, B-Lymphocyte

**Definition:** Ordered rearrangement of B-lymphocyte variable gene regions coding for the IMMUNOGLOBULIN CHAINS, thereby contributing to antibody diversity. It occurs during the differentiation of the IMMATURE B-LYMPHOCYTES.

**Tree numbers:** - G05.344.401 - G12.500.274

**Synonyms:** - Gene Rearrangement, B-Cell - B-Cell Gene Rearrangement - B-Lymphocyte Gene Rearrangement