A CD38-positive naive B cell is a mature B cell that has the phenotype CD38-positive, surface IgD-positive, surface IgM-positive, and CD27-negative, and that has not yet been activated by antigen in the periphery. [ GOC:dsd GOC:tfm http://www.ncbi.nlm.nih.gov/pubmed/20123131 GOC:rhs ]
Synonyms: CD38+ naive B lymphocyte CD38+ naive B cell CD38+ naive B-cell CD38-positive naive B-lymphocyte CD38-positive naive B lymphocyte CD38-positive naive B-cell CD38+ naive B-lymphocyte