Figure 4. Collateral blood vessel formation.
Immunohistochemical staining for PECAM-1 demonstrated significantly fewer vessels in the HCD and HCD-R groups as compared to the Control group, A) Control, B) HCD and C) HCD-R. D) Quantification of PECAM-1 positive vessels per 200x field, *p= 0.02 (Magnification 200x).