part of overlaps adult supraesophageal zone adult cerebral ganglion adult supraesophageal zone 2013-10-08T17:07:47Z adult supraesophageal ganglion VFB:FBbt_00110638 FBbt:00110638 This term refers to what used to be called supraesophageal ganglion. The new name, together with subesophageal zone, refer to the neuropil masses above and below the esophagus and do not respect neuromere boundaries. The terms cerebral ganglia (CRG) and gnathal ganglia (GNG), denote regions that follow the segmental neuromeres of the brain (the 3 rostral and 3 caudal, respectively) (Ito et al., 2014). fly_anatomy.ontology Neuropil mass above the esophagus in the adult brain. It is part of the cerebral ganglion.