Model acupuncture point: Bone marrow-derived stromal stem cells are moved by a weak electromagnetic field

Figure 7 The effect of the needle on the redistribution rat bone marrow-derived stromal stem cells when setting the needle away from the centre of the culture dish. A: The dish in the absence of the effect; B: Control without the needle; C: The needle in the centre; D: The needles away from the centre, with the placement of the needle as indicated by a dot. Explanations are provided in the text.