FB2026_03 , released September 17, 2026
FB2026_03 , released September 17, 2026
CV Term Report
Help Close All Open All
General Information
Term type I terminal bouton ID (Ontology) GO:0061174 (Gene Ontology)
Definition Terminal inflated portion of the axon of a glutamatergic neuron, containing the specialized apparatus necessary to release neurotransmitters that will induce the contraction of muscle. The axon terminus is considered to be the whole region of thickening and the terminal bouton is a specialized region of it.
Also Known As "type I terminal button"
Comment
Links to External Ontologies
  QuickGO data     AmiGO data
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
Genes (FBgn)GO_CELLULAR_COMPONENT
Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
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
 type I terminal bouton (all annotations which use CV term, excluding "NOT" statements)       --
     is_active_in | type I terminal bouton       --
      --       --
     located_in | type I terminal bouton       --
      --       --
     type I terminal bouton | increased number | third instar larval stage
      --       --
     type I terminal bouton | third instar larval stage
      --       --
Spanning Tree (Parents/Children)
Only view relationship:
Vocabulary search
axon terminus__
presynapse_____|
               terminal bouton
                |__type I terminal bouton  107 rec.
                    |__subsynaptic reticulum 37 rec.
                    |__type Ib terminal bouton 41 rec.
                    |__type Is terminal bouton 35 rec.
Spanning Tree View Settings
Parents/Children
View Depth
Show hierarchy levels: for parents, for children
hide Relationships
Is a terminal bouton
Part of
hide Synonyms & Secondary IDs
Synonyms
  • "type I terminal button" EXACT
Secondary IDs
hide External Crossreferences & Linkouts