FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term proboscis muscle 5 ID (Ontology) FBbt:00058791 (Fly Anatomy)
Definition Short muscle that inserts on the wall of the labrum. It is attached to the wall of the pharynx and is positioned to open the pharynx as it contracts (McKellar et al., 2020). It is synapsed by the proboscis muscle 5 motor neuron (McKellar et al., 2020).[ FlyBase:FBrf0007735 FlyBase:FBrf0246028 ]
Also Known As "dilators of labrum-epipharynx" ; "labral compressor muscle" ; "labral muscle 5" (for all, see Synonyms field below)
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proboscis
 |__haustellum____________
proboscis muscle          |
 |__haustellum muscle_____|
 |__adult pharynx muscle__|
multicellular structure   |
 |__haustellum____________|
                          proboscis muscle 5  3 rec.
                           |__muscle cell of proboscis muscle 5 3 rec.
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Is a haustellum muscle
adult pharynx muscle
Part of haustellum
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