FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term VUM4 interneuron ID (Ontology) FBbt:00001596 (Fly Anatomy)
Definition Most anterior of the three ventral unpaired median interneurons in each neuromere of the embryonic/larval ventral nerve cord midline (Wheeler et al., 2008). It develops from the anterior (MP4) VUM precursor (Wheeler et al., 2008).[ FlyBase:FBrf0072659 FlyBase:FBrf0180108 FlyBase:FBrf0195284 FlyBase:FBrf0205663 ]
Also Known As"iVUM4" ; "VUM interneuron 1" ; "VUM4 neuron"
CommentNot numbered in original references (Bossing et al., 1996; Kearney et al., 2004; Wheeler et al., 2006), renamed based on exact synonym of VUM4 - https://orcid.org/0000-0002-1373-1705.
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VFB:FBbt_00001596
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Insertions (FBti)PHENOTYPE_MANIFEST_IN
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 VUM4 interneuron (all annotations which use CV term, excluding "NOT" statements)
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larval VUM neuron________
larval interneuron_______|
primary interneuron______|
larval GABAergic neuron__|
                         larval VUM interneuron
                          |__VUM4 interneuron  16 rec.
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Is a larval VUM interneuron
Develops from anterior VUM precursor
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VFB:FBbt_00001596