FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term adult supraesophageal zone ID (Ontology) FBbt:00110638 (Fly Anatomy)
Definition Neuropil mass above the esophagus in the adult brain. It is part of the cerebral ganglion.[ FlyBase:FBrf0224194 ]
Also Known As "SPZ"
Comment 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).
Links to External Ontologies
VFB:FBbt_00110638
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Spanning Tree (Parents/Children)
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  multicellular structure
   |__supraesophageal zone
       |__adult supraesophageal zone  11237 rec.
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Is a supraesophageal zone
Part of adult cerebral ganglion
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VFB:FBbt_00110638