Hematopoietic stem cells is present in the bone marrow, peripheral blood and umbilical cord blood stem cells, have self-renewal ability and can differentiate into all kinds of blood cells precursor cells, the resulting various blood components, including red blood cells, white cells and platelets, they can also differentiate into a variety of other cells/ a. g0 o* F1 V: B: r7 e
发表于 2013-11-5 20:40
发表于 2013-11-7 10:13
