FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term larval ventral nerve cord commissure ID (Ontology) FBbt:00001104 (Fly Anatomy)
Definition Commissure of the ventral nerve cord at late embryonic or larval stages. There are two main commissures per segment, anterior and posterior, but the posterior commissure is not present in A9 (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 ]
Comment
Links to External Ontologies
VFB:FBbt_00001104
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     128
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       1
Insertions (FBti)  PHENOTYPE_MANIFEST_IN      38
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN      32
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 ventral nerve cord commissure (all annotations which use CV term, excluding "NOT" statements)     128     19     39     32
     larval ventral nerve cord commissure | decreased number       1       --       --       --
     larval ventral nerve cord commissure | ectopic | somatic clone | third instar larval stage       2       --       --       2
     larval ventral nerve cord commissure | embryonic stage      18       --       2      5
     larval ventral nerve cord commissure | embryonic stage 15       5       --       --       4
     larval ventral nerve cord commissure | embryonic stage 16       7       --       --       6
     larval ventral nerve cord commissure | germline clone       2       --       --       --
     larval ventral nerve cord commissure | heat sensitive       1       --       --       --
     larval ventral nerve cord commissure | maternal effect       2       --       2       --
     larval ventral nerve cord commissure | rescuable maternal effect       1       --       1       --
     larval ventral nerve cord commissure | third instar larval stage       7       --       2       --
Spanning Tree (Parents/Children)
Only view relationship:
neuron projection bundle
 |__neuron projection bundle of larval ventral nerve cord__
symmetrical commissure                                     |
 |__ventral nerve cord commissure__________________________|
                                                           larval ventral nerve cord commissure  222 rec.
                                                            |__larval abdominal 1 anterior intermediate commissure
                                                            |__larval abdominal 1 posterior dorsal commissure
                                                            |__larval abdominal 1 posterior intermediate commissure
                                                            |__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 abdominal posterior commissure 4 rec.
                                                            |   |__larval abdominal 1 posterior commissure 4 rec.
                                                            |   |__larval abdominal 2 posterior commissure 4 rec.
                                                            |   |__larval abdominal 3 posterior commissure 4 rec.
                                                            |   |__larval abdominal 4 posterior commissure 4 rec.
                                                            |   |__larval abdominal 5 posterior commissure 4 rec.
                                                            |   |__larval abdominal 6 posterior commissure 4 rec.
                                                            |   |__larval abdominal 7 posterior commissure 4 rec.
                                                            |   |__larval abdominal 8 posterior commissure 4 rec.
                                                            |__larval anterior dorsal commissure of VNC
                                                            |   |__larval mesothoracic anterior dorsal commissure
                                                            |   |__larval metathoracic anterior dorsal commissure
                                                            |   |__larval prothoracic anterior dorsal commissure
                                                            |__larval anterior ventral commissure
                                                            |   |__larval abdominal 1 anterior ventral commissure
                                                            |   |__larval mesothoracic anterior ventral commissure
                                                            |   |__larval metathoracic anterior ventral commissure
                                                            |   |__larval prothoracic anterior ventral commissure
                                                            |__larval mesothoracic anterior intermediate commissure
                                                            |__larval mesothoracic posterior dorsal commissure
                                                            |__larval mesothoracic posterior intermediate commissure
                                                            |__larval metathoracic anterior intermediate commissure
                                                            |__larval metathoracic posterior dorsal commissure
                                                            |__larval metathoracic posterior intermediate commissure
                                                            |__larval prothoracic anterior intermediate commissure
                                                            |__larval prothoracic posterior dorsal commissure
                                                            |__larval prothoracic posterior intermediate commissure
                                                            |__larval thoracic anterior commissure
                                                            |   |__larval thoracic 1 anterior commissure
                                                            |   |__larval thoracic 2 anterior commissure
                                                            |   |__larval thoracic 3 anterior commissure
                                                            |__larval thoracic posterior commissure
                                                                |__larval thoracic 1 posterior commissure
                                                                |__larval thoracic 2 posterior commissure
                                                                |__larval thoracic 3 posterior commissure
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Is a neuron projection bundle of larval ventral nerve cord
ventral nerve cord commissure
Part of larval ventral nerve cord
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Synonyms
Secondary IDs
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VFB:FBbt_00001104