FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term tritocerebrum ID (Ontology) FBbt:00003999 (Fly Anatomy)
Definition Neuromere of intercalary segment, located between the deutocerebrum and the gnathal ganglion (Urbach and Technau, 2003; Hartenstein et al., 2018).[ FlyBase:FBrf0074226 FlyBase:FBrf0161020 FlyBase:FBrf0237252 ]
Also Known As "tritocerebral neuromere"
Comment
Links to External Ontologies
VFB:FBbt_00003999
Annotations
Records annotated with this term OR any of its CHILD TERMS
Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Alleles (FBal)  PHENOTYPE_MANIFEST_IN       1
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       4
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 Full annotation statements 
Relevant FlyBase reports
 Alleles Genes Insertions Constructs
 tritocerebrum (all annotations which use CV term, excluding "NOT" statements)       1      2      4      1
Spanning Tree (Parents/Children)
Only view relationship: 
procephalic segment
 |__intercalary segment________________
central nervous system                 |
 |__neuromere__________________________|
brain                                  |
 |__supraesophageal ganglion___________|
ganglion                               |
 |__supraesophageal ganglion___________|
segmental subdivision of organ system  |
 |__neuromere__________________________|
                                       tritocerebrum  669 rec.
                                        |__adult tritocerebrum 588 rec.
                                        |   |__accessory pharyngeal nerve projection
                                        |   |__anterior maxillary sensory center(+)
                                        |   |__cell body rind of adult tritocerebrum
                                        |   |__flange 322 rec.
                                        |   |__prow(+) 433 rec.
                                        |   |__stomodeal nerve projection(+)
                                        |   |__tritocerebral center(+) 6 rec.
                                        |__embryonic tritocerebrum 42 rec.
                                        |__larval tritocerebrum 11 rec.
                                        |   |__cell body rind of larval tritocerebrum
                                        |   |__central domain of larval tritocerebrum
                                        |   |__centromedial domain of larval tritocerebrum
                                        |   |__dorsal domain of larval tritocerebrum
                                        |   |__embryonic/larval tritocerebral commissure 5 rec.
                                        |   |__ventromedial domain of larval tritocerebrum
                                        |__tritocerebral neuroblast 35 rec.
                                            |__dorsal tritocerebral neuroblast(+) 6 rec.
                                            |__neuroblast BAlp4
                                            |__neuroblast BAlv
                                            |__neuroblast TR(+)
                                            |__ventral tritocerebral neuroblast(+) 7 rec.
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Is a neuromere
Part of intercalary segment
supraesophageal ganglion
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Synonyms
Secondary IDs
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VFB:FBbt_00003999