FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term bouton ID (Ontology) FBbt:00005116 (Fly Anatomy)
Definition A swelling specialized for the release of neurotransmitter that most commonly occurs along, or at the end of an axon.[ FlyBase:FBrf0239223 ]
Also Known As "synaptic bouton" ; "terminal bouton"
Comment
Links to External Ontologies
VFB:FBbt_00005116
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     263
Insertions (FBti)  PHENOTYPE_MANIFEST_IN      37
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN      93
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
 bouton (all annotations which use CV term, excluding "NOT" statements)     263     12     38     93
     bouton | conditional       3       --       --       1
     bouton | decreased number | third instar larval stage       3       --       --       2
     bouton | ectopic      10       --       --       9
     bouton | embryonic stage       1       --       --       1
     bouton | heat sensitive       2       --       --       1
     bouton | increased number      51       --       --      15
     bouton | increased number | RU486 conditional       2       --       --       2
     bouton | larval stage      12       --       1      7
     bouton | larval stage | increased number       3       --       --       2
     bouton | late third instar larval stage       3       --       --       --
     bouton | RU486 conditional       3       --       --       3
     bouton | somatic clone       1       --       --       --
     bouton | third instar larval stage      26       --       2     11
Spanning Tree (Parents/Children)
Only view relationship:
  anatomical structure
   |__cell component
       |__bouton  1943 rec.
           |__NMJ bouton 1602 rec.
               |__type I bouton 246 rec.
               |__type II bouton 44 rec.
               |__type III bouton 12 rec.
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Is a cell component
Part of synapse
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Synonyms
  • "synaptic bouton" EXACT
    "terminal bouton" EXACT
Secondary IDs
hide External Crossreferences & Linkouts
VFB:FBbt_00005116