Figure 3

The H&E stain of the dorsal penile nerves’ major and minor branches on different days after bilateral cavernous nerve injury. H&E staining of the dorsal penile nerves’ main and minor branches. The number of small branches was less after bilateral cavernous nerve injury and gradually increased in number subsequently. BCNI = Bilateral cavernous nerve injury. N = 40; Asterisks: dorsal penile nerves’ main branches; Red arrows: dorsal penile nerves’ minor branches.