(3) plasticity: B or macrophages, dendritic cells from lymphoid progenitors (plasmacytoid, pDC)
All the cellular components of the immune system derive from a pluripotent hematopoietic stem cell
(1)Myeloid and erythroid potential
monocytes, granulocytes,
     macrophages and most dC.
(2) lymphoid potential: NK cells, T and B cells