| Namespace | MPheno.ontology | Obsolete | false |
| description | any structural anomaly of a type of a transitional stage B cell that expresses surface IgM and IgD, and CD62L; it is an anergic B cell that does not proliferate upon BCR signaling, is found in the spleen and lymph nodes, and has the phenotype surface IgM-positive, surface IgD-positive, CD21-positive, CD23-positive, and CD62L-positive |
