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      • lymphocyte quantity
      • B cell morphology trait

    • B cell quantity   VT:0002458   (11)
    Definition: The proportion or number of lymphocytes of B lineage with the phenotype CD19-positive and capable of B cell-mediated immunity. [CL:0000236]; xref: MP:0002458;

    MP:0002458 (abnormal B cell number) is numbered similarly to VT:0002458 but is over in the MP ontology (semantics may or may not be similar).

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