FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term wing vein L1 ID (Ontology) FBbt:00004759 (Fly Anatomy)
Definition Anterior longitudinal vein of the wing blade. It is contiguous with the distal costal vein, which follows the anterior wing margin, and posterior to the proximal costal vein.[ FlyBase:FBrf0202743 ]
Also Known As "radius 1" ; "wing vein R1"
Comment The distal costa is sometimes also referred to as marginal vein or wing vein L1 (Blair, 2007).
Links to External Ontologies
Annotations
Records annotated with this term OR any of its CHILD TERMS
Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Alleles (FBal)  PHENOTYPE_MANIFEST_IN      50
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       4
Insertions (FBti)  PHENOTYPE_MANIFEST_IN       3
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN      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
 Alleles Genes Images Insertions Constructs
 wing vein L1 (all annotations which use CV term, excluding "NOT" statements)      50      3     11      7     13
     wing vein L1 | conditional      10       --       --       --       6
     wing vein L1 | pharate adult stage       3       --       --       --       1
     wing vein L1 | somatic clone       2       --       --       --       --
     wing vein L1 | somatic clone | conditional       2       --       --       --       --
Spanning Tree (Parents/Children)
Only view relationship:
  wing vein
   |__longitudinal vein
       |__wing vein L1  84 rec.
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Is a longitudinal vein
Develops from presumptive wing vein L1
Part of
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Synonyms
Secondary IDs
hide External Crossreferences & Linkouts
https://www.ento.csiro.au/biology/drosophila/melanogaster.html?R1