FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term type Ib terminal bouton ID (Ontology) GO:0061176 (Gene Ontology)
Definition Terminal inflated portion of the axon of a glutamatergic neuron, containing the specialized apparatus necessary for the tonic release neurotransmitters that will induce the contraction of muscle. Type Ib terminal boutons are larger than type Is terminal boutons.
Also Known As"type Ib terminal button"
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Direct annotations: records annotated with this exact term (child terms are NOT included)
Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Genes (FBgn)GO_CELLULAR_COMPONENT
Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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Relevant FlyBase reports
 Alleles Genes Insertions Constructs
 type Ib terminal bouton (all annotations which use CV term, excluding "NOT" statements)
     is_active_in | type Ib terminal bouton       --
      --       --
     located_in | type Ib terminal bouton       --
      --       --
     type Ib terminal bouton | decreased number | third instar larval stage
      --       --
     type Ib terminal bouton | ectopic
      --       --
     type Ib terminal bouton | increased number | larval stage
      --       --
     type Ib terminal bouton | increased number | third instar larval stage
      --       --       --
     type Ib terminal bouton | larval stage
      --       --
     type Ib terminal bouton | second instar larval stage
      --       --       --
     type Ib terminal bouton | third instar larval stage
      --       --
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  terminal bouton
   |__type I terminal bouton
       |__type Ib terminal bouton  41 rec.
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Is a type I terminal bouton
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Synonyms
  • "type Ib terminal button" EXACT
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