part of overlaps innervates continuous with subesophageal nerve adult head labrum adult gnathal ganglion labral nerve adult labral nerve 2010-11-29T02:13:31Z LbrN VFB:FBbt_00100328 Nerve associated with the adult labrum (Ito et al., 2014). It enters the brain at the level of the tritocerebrum (Ito et al., 2014). It is fused with the frontal nerve, forming a labro-frontal nerve (Ito et al., 2014). fly_anatomy.ontology FBbt:00100328 adult labro-frontal nerve