FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
Help Close All Open All
General Information
Term proboscis extension reflex ID (Ontology) GO:0007637 (Gene Ontology)
Definition The extension, through direct muscle actions, of the proboscis (the trunk-like extension of the mouthparts on the adult external head) in response to a nutritional stimulus.[ FlyBase:FBrf0044924 ]
Also Known As "behavioral response to nutritional stimulus, proboscis extension" ; "proboscis extension in response to nutritional stimulus"
Comment
Links to External Ontologies
  QuickGO data     AmiGO data
Annotations
Records annotated with this term OR any of its CHILD TERMS
    Results list data from multiple species. Click on a button above and use the 'Filter by species' options on the resulting HitList to retrieve species-specific data.
Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Genes (FBgn)  GO_BIOLOGICAL_PROCESS      11
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Genes
 proboscis extension reflex (all annotations which use CV term, excluding "NOT" statements)      11
     involved_in | proboscis extension reflex      11
Spanning Tree (Parents/Children)
Only view relationship: 
response to nutrient
 |__behavioral response to nutrient__
behavior                             |
 |__chemosensory behavior____________|
 |__behavioral response to nutrient__|
response to external stimulus        |
 |__reflex___________________________|
response to chemical                 |
 |__chemosensory behavior____________|
                                     proboscis extension reflex  11 rec.
Spanning Tree View Settings
Parents/Children
View Depth
Show hierarchy levels: for parents, for children
hide Relationships
Is a chemosensory behavior
behavioral response to nutrient
reflex
Part of
hide Synonyms & Secondary IDs
Synonyms
  • "behavioral response to nutritional stimulus, proboscis extension" EXACT
    "proboscis extension in response to nutritional stimulus" EXACT
Secondary IDs
hide External Crossreferences & Linkouts