FB2026_03 , released September 17, 2026
FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term adult gnathal ganglion ID (Ontology) FBbt:00014013 (Fly Anatomy)
Definition Ventral region of the adult brain, consisting of the fused ganglia of the three gnathal neuromeres; mandibular, maxillary and labial (Ito et al., 2014). It is found beneath the esophagus in the ventral part of the subesophageal zone (Ito et al., 2014).[ FlyBase:FBrf0212704 FlyBase:FBrf0224194 ]
Also Known As "GNG"
Comment This term refers to what used to be called subesophageal ganglion (SOG). The new name, together with cerebral ganglia (CRG), denote the segmental neuromeres of the brain (the 3 caudal and 3 rostral, respectively). These are distinguishable from supra- and subesophageal zones, as these refer to the neuropil masses above and below the esophagus and do not respect neuromere boundaries (Ito et al., 2014). The posterior part of the GNG also corresponds to part of the inferior ipsl of Otsuna and Ito (2006) and to the ventral part of the subesophageal ganglion (SOG) of Chiang et al. (2011) (Ito et al., 2014).
Links to External Ontologies
VFB:FBbt_00014013
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
Insertions (FBti)PHENOTYPE_MANIFEST_IN
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 adult gnathal ganglion (all annotations which use CV term, excluding "NOT" statements)
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adult brain
 |__adult central brain_______
ganglion                      |
 |__gnathal ganglion__________|
adult central brain           |
 |__adult subesophageal zone__|
central brain                 |
 |__adult central brain_______|
subesophageal zone            |
 |__gnathal ganglion__________|
 |__adult subesophageal zone__|
                              adult gnathal ganglion  351 rec.
                               |__adult gnathal neuromere
                               |   |__adult labial neuromere(+)
                               |   |__adult mandibular neuromere
                               |   |__adult maxillary neuromere(+)
                               |__adult subesophageal lateral glial cell 2 rec.
                               |__cell body rind of adult gnathal ganglion 1 rec.
                               |   |__cell body rind of adult lateral gnathal ganglion
                               |   |__cell body rind of adult ventral gnathal ganglion
                               |   |__cell body rind of ventral midline of adult gnathal ganglion
                               |__inferior pharyngeal sensory center
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Is a gnathal ganglion
Develops from larval gnathal ganglion
Part of adult central brain
adult subesophageal zone
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VFB:FBbt_00014013