lacks_plasma_membrane_part has plasma membrane part in taxon lacks_plasma_membrane_part lymphocyte of B lineage lymphocyte of B lineage, CD19-positive cell A lymphocyte of B lineage that is CD19-positive. Types of B lineage lymphocytes include B cells and antibody secreting cells (plasmablasts and plasma cells). Lymphocytes of B cell lineage can be distinguished from those of T cell lineage by their lack of CD3e (as part of the T cell receptor complex). https://orcid.org/0000-0001-9990-8331 Mammalia CD19 molecule CD3 epsilon