FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term larval anterior commissure ID (Ontology) FBbt:00001105 (Fly Anatomy)
Definition Most anterior of the two main commissures found in each neuromere (the only commissure in A9) of the larval ventral nerve cord (Landgraf et al., 2003; Birkholz et al., 2015). In some segments, at some stages these can be further divided into multiple components along the dorsal-ventral axis (Truman et al., 2004; Birkholz et al., 2015; Hartenstein et al., 2018).[ FlyBase:FBrf0160715 FlyBase:FBrf0180161 FlyBase:FBrf0228122 FlyBase:FBrf0237252 ]
Also Known As "aC" ; "embryonic/larval anterior commissure"
Comment
Links to External Ontologies
VFB:FBbt_00001105
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      65
Insertions (FBti)  PHENOTYPE_MANIFEST_IN       8
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN      23
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Alleles Genes Insertions Constructs
 larval anterior commissure (all annotations which use CV term, excluding "NOT" statements)      65     13      8     23
     larval anterior commissure | embryonic stage       3       --       --       4
     larval anterior commissure | embryonic stage 16       1       --       --       --
     larval anterior commissure | heat sensitive       1       --       --       1
Spanning Tree (Parents/Children)
Only view relationship:
  commissure
   |__symmetrical commissure
       |__larval anterior commissure  113 rec.
           |__larval abdominal anterior commissure 4 rec.
           |   |__larval abdominal 1 anterior commissure 4 rec.
           |   |__larval abdominal 2 anterior commissure 4 rec.
           |   |__larval abdominal 3 anterior commissure 4 rec.
           |   |__larval abdominal 4 anterior commissure 4 rec.
           |   |__larval abdominal 5 anterior commissure 4 rec.
           |   |__larval abdominal 6 anterior commissure 4 rec.
           |   |__larval abdominal 7 anterior commissure 4 rec.
           |   |__larval abdominal 8 anterior commissure 4 rec.
           |   |__larval abdominal 9 anterior commissure
           |__larval labial anterior commissure
           |__larval thoracic anterior commissure
           |   |__larval thoracic 1 anterior commissure
           |   |__larval thoracic 2 anterior commissure
           |   |__larval thoracic 3 anterior commissure
           |__maxillary anterior commissure
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Is a symmetrical commissure
Part of larval central nervous system
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Synonyms
Secondary IDs
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VFB:FBbt_00001105