Fig. 4
From: Novel skin chamber for rat ischemic flap studies in regenerative wound repair
Immunohistochemical (IHC) stain of vascular pattern across the demarcation line. The IHC stain of both von Willebrand factor (vWF) and alpha-smooth muscle actin (α-SMA) revealed increased signals in the cranial region as compared with the caudal region (black arrowhead: positive staining). No positive staining of B-cell lymphoma 2 (Bcl2) was observed across the demarcation line