FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term combined L1-L3 nerve ID (Ontology) FBbt:00049637 (Fly Anatomy)
Definition Nerve bundle running through the radial vein of the wing, parallel to the costal nerve of the proximal wing margin (Murray et al., 1984). It feeds into the anterior dorsal mesothoracic nerve proximally and splits into the marginal (L1) and L3 nerves distally (Murray et al., 1984).[ FlyBase:FBrf0040724 FlyBase:FBrf0073164 ]
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VFB:FBbt_00049637
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
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 Alleles
 combined L1-L3 nerve (all annotations which use CV term, excluding "NOT" statements)
     combined L1-L3 nerve | adult stage | somatic clone
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mesothoracic nerve
 |__wing nerve______________
adult mesothoracic segment  |
 |__wing nerve______________|
longitudinal vein           |
 |__radial vein_____________|
                            combined L1-L3 nerve  1 rec.
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Is a wing nerve
Part of radial vein
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VFB:FBbt_00049637