Fig. 2From: Effects of endogenous inflammation signals elicited by nerve growth factor, interferon-γ, and interleukin-4 on peripheral nerve regenerationa Cross section of the muscle bundle shows closely packed fibers in normal rat gastrocnemius muscle. b-e Evident muscle atrophy is noted with increased fibrosis and fatty infiltration in groups repaired using silicone rubber conduits with different fillings. Scale bar = 2 μmBack to article page