Figure 4: Histology of MCAo area in the rats, on the 8th week after transplantation. (A) HE staining showed the normal brain tissue of the rats. (B) The ischemic area of the brain tissue from the control group (PBS injected group). (C) The ischemic area of the brain tissue from the experimental group (AMSCs transplanted group). (D) TTC staining showed the ischemic area of the brain tissue (Scale bar=100 μm, in A, B, C).