Figure 8. Immunohistochemical analysis of cross sections of (a) the intact nerve, resected nerve distal stump, autograft and neurograft and (b) macorscopic view of entire cross section of neurograft compared with an empty tube.

H&E staining (top), neural tissue phenotype is confirmed with anti-NF (middle) and anti-S100 staining (bottom). Scale bar (a) 50 μm, (b) 500 μm.