Fig. 3From: Facial nerve regeneration using silicone conduits filled with ammonia-functionalized graphene oxide and frankincense-embedded hydrogelLuxol fast blue stained nerve cross-sections in different groups. I: silicone tube control; II: hydrogel; III: Fr; IV: NH2-GO; V: Fr + NH2-GO; VI: normal. Reduced axonal regrowth is characterized by increased intercellular space in control groupsBack to article page