multipotential hemopoietic stem cell
a primitive, bone marrow-residing undifferentiated form of blood cell that gives rise to myeloid (granulocytes, monocytes, and platelets) and lymphoid (T and B lymphocytes) cell lines; they resemble lymphocytes and are considered to belong to the null cell population; they cannot be identified in normal blood or bone marrow smears. They have the capability for self-renewal.
See Also: stem cell
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Examples: glitazone, GI cocktail, etc.