The process in which B cells acquire the specialized features of B-1b B cells. B-1b B cells are B-1 cells that do not express CD5. [ GOC:jal https://www.worldcat.org/search?q=bn%3A0781735149 ]
Synonyms: B-1b B-cell differentiation B-1b B-lymphocyte differentiation B-1b B lymphocyte differentiation
Term information
Note that immunologists typically use the word 'development' to refer to cells of B or T cell lineages undergoing the process that GO describes as 'cell differentiation'.