Definition: Ordered rearrangement of B-lymphocyte variable gene regions of the IMMUNOGLOBULIN HEAVY CHAINS, thereby contributing to antibody diversity. It occurs during the first stage of differentiation of the IMMATURE B-LYMPHOCYTES.
Other names B Cell Mu Chain Gene Rearrangement; B Cell Heavy Chain Gene Rearrangement; B-Lymphocyte Mu Chain Gene Rearrangement; B-Lymphocyte Heavy Chain Gene Rearrangement; B-Cell Heavy Chain Gene Rearrangement; B Lymphocyte Mu Chain Gene Rearrangement; B Lymphocyte Heavy Chain Gene Rearrangement