FB2026_03 , released September 17, 2026
CV Term Report
Help Close All Open All
General Information
Term commissure ID (Ontology) FBbt:00007084 (Fly Anatomy)
Definition A fiber bundle that crosses the midline, connecting both hemispheres (Ito et al., 2014).[ FlyBase:FBrf0224194 ]
Also Known As"midline crossing tract"
Comment
Links to External Ontologies
VFB:FBbt_00007084
Annotations
Records annotated with this term OR any of its CHILD TERMS

Choose a record type to view annotations for this term and its child terms. Direct annotations and full annotation statements below also provide HitList buttons.

    • Results list data from multiple species. Choose a record type above to open its HitList.
Direct annotations: records annotated with this exact term (child terms are NOT included)
Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Insertions (FBti)PHENOTYPE_MANIFEST_IN
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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 Insertions Constructs
 commissure (all annotations which use CV term, excluding "NOT" statements)
     commissure | absent | embryonic stage
      --       --
     commissure | ectopic
      --
     commissure | embryonic stage
     commissure | embryonic stage 16
      --
     commissure | embryonic stage 17
      --
     commissure | larval stage
      --
Spanning Tree (Parents/Children)
Only view relationship:
Vocabulary search 
neuron projection bundle__
tract neuropil____________|
                          tract
                           |__commissure  748 rec.
                               |__adult labial commissure
                               |__adult maxillary commissure
                               |__adult optic lobe-calycal tract 5
                               |__anterior chiasma of the central complex
                               |__pb-fb tract Y 1 rec.
                               |__pb-fb tract Z 1 rec.
                               |__posterior chiasma of the central complex
                               |__supraesophageal commissural pioneer tract 1 rec.
                               |   |__anterior ventral commissural pioneer tract
                               |   |__central anastomosing tract
                               |   |__posterior ventral commissural pioneer tract
                               |__symmetrical commissure 665 rec.
                                   |__brain commissure(+) 49 rec.
                                   |__larval anterior commissure(+) 113 rec.
                                   |__larval anterior intermediate commissure(+)
                                   |__larval gnathal ganglion commissure(+)
                                   |__larval posterior commissure(+) 123 rec.
                                   |__larval posterior dorsal commissure(+)
                                   |__larval posterior intermediate commissure(+)
                                   |__ventral nerve cord commissure(+) 222 rec.
Spanning Tree View Settings
Parents/Children
View Depth
Show hierarchy levels: for parents, for children
hide Relationships
Is a tract
Part of
hide Synonyms & Secondary IDs
Synonyms
  • "midline crossing tract" EXACT
Secondary IDs
hide External Crossreferences & Linkouts
VFB:FBbt_00007084