follicular B cell
follicular b cell
"A resting mature B cell that has the phenotype IgM-positive, IgD-positive, CD23-positive and CD21-positive, and found in the B cell follicles of the white pulp of the spleen or the corticol areas of the peripheral lymph nodes. This cell type is also described as being CD19-positive, B220-positive, AA4-negative, CD43-negative, and CD5-negative."