Multipotential hemopoietic stem cell

a primitive, bone marrow-residing undifferentiated form of blood cell with the capability of self-renewal, that gives rise to myeloid (e.g., erythrocytes, granulocytes, monocytes, and platelets) and lymphoid (e.g., T and B lymphocytes) cell lines, resemble lymphocytes and are considered to belong to the null cell population, with difficulty of identification in normal blood or bone marrow smears