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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adult brain
 |__adult cerebral ganglion___
supraesophageal ganglion      |
 |__supraesophageal zone______|
 |__adult cerebral ganglion___|
anterior ectoderm derivative  |
 |__adult cerebral ganglion___|
multicellular structure       |
 |__supraesophageal zone______|
                              adult supraesophageal zone  11237 rec.
                               |__adult protocerebrum 11235 rec.
                               |   |__adult central complex(+) 3519 rec.
                               |   |__adult great commissure 4 rec.
                               |   |__adult lateral ellipsoid fascicle(+)
                               |   |__adult lateral horn 1972 rec.
                               |   |__adult middle dorsal commissure
                               |   |__adult mushroom body(+) 5808 rec.
                               |   |__adult optic lobe(+) 5766 rec.
                               |   |__adult posterior lateral fascicle(+)
                               |   |__adult posterior superior transverse fascicle(+)
                               |   |__adult sub-ellipsoid commissure
                               |   |__anterior optic tubercle(+) 3094 rec.
                               |   |__broad root
                               |   |__cell body rind of adult protocerebrum(+) 272 rec.
                               |   |__inferior neuropils(+) 4404 rec.
                               |   |__lateral medial fascicle 3 rec.
                               |   |__medial fascicle
                               |   |__superior intermediate protocerebrum(+) 3770 rec.
                               |   |__superior lateral protocerebrum(+) 4855 rec.
                               |   |__superior medial protocerebrum(+) 4605 rec.
                               |__cell body rind of adult antennal lobe 3 rec.
                                   |__adult antennal lobe cell body glial cell
                                   |__cell body rind of adult anterodorsal antennal lobe
                                   |__cell body rind of adult lateral antennal lobe
                                   |__cell body rind of adult laterodorsal antennal lobe
                                   |__cell body rind of adult ventral antennal lobe
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Is a supraesophageal zone
Part of adult cerebral ganglion
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VFB:FBbt_00110638