| Term Name: | Fraction C precursor B cell |
|---|---|
| Synonyms: | Fraction C |
| Definition: | A precursor B cell is CD45R-positive, CD43-positive, CD24-positive, and BP-positive. Intracellularly expression of surrogate light chain, Rag1 and Rag2, TdT, occurs while there is no expression of mu heavy chain. |
| Ontology: | Cell Ontology [CL:0002049] |