CK2 type inverted optical microscope(Olympus,Japan) was used to observe the growth of bone marrow mesenchymal cells in vitro culture,as well as 4,12,24,48 hours of induction upon eliminating or not eliminating the wall-adhering cells.

• CK2型倒置相差光学显微镜(OLYMPAS,JAPAN)追踪观察活细胞培养生长情况,同时观察4,12,24,48h去除非贴壁细胞及不去除贴壁细胞骨髓基质细胞生长情况。