FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
Help Close All Open All
General Information
Term proboscis muscle 4 ID (Ontology) FBbt:00058790 (Fly Anatomy)
Definition Muscle found in the rostrum, connecting the apodeme of the dorsal arm of the rostrum-haustellum joint to the clypeus (Miller, 1950; McKellar et al., 2020). As it contracts, it rotates the apodeme, extending the haustellum (McKellar et al., 2020). It is synapsed by the proboscis muscle 4 motor neuron (McKellar et al., 2020).[ FlyBase:FBrf0007735 FlyBase:FBrf0246028 ]
Also Known As "adductor of apodeme" ; "haustellum extensor muscle" ; "maxillary muscle 4" (for all, see Synonyms field below)
Comment
Links to External Ontologies
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)
No relevant records available
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
No relevant statements available
Spanning Tree (Parents/Children)
Only view relationship: 
  proboscis muscle
   |__rostrum muscle
       |__proboscis muscle 4  4 rec.
Spanning Tree View Settings
Parents/Children
View Depth
Show hierarchy levels: for parents, for children
hide Relationships
Is a rostrum muscle
Part of rostrum
hide Synonyms & Secondary IDs
Synonyms
Secondary IDs
hide External Crossreferences & Linkouts