FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term wing vein ID (Ontology) FBbt:00004751 (Fly Anatomy)
Definition Wing veins are epidermal sclerotizations above hemolymph lacunae that run between the dorsal and the ventral wing surfaces and carry trachea and nerves. The two-dimensional pattern of wing veins is the result of the cuticular differentiation of stripes of epidermal cells on the wing blade, which can be contrasted with the two-dimensional pattern of sensory organs derived from discrete cells.[ FlyBase:FBrf0055233 FlyBase:FBrf0166419 ]
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
Insertions (FBti)PHENOTYPE_MANIFEST_IN
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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 Full annotation statements 
Relevant FlyBase reports
 Alleles Genes Insertions Constructs
 wing vein (all annotations which use CV term, excluding "NOT" statements)
     wing vein | absent
      --       --
     wing vein | adult stage
      --
     wing vein | adult stage | ectopic
      --
     wing vein | cell autonomous | ectopic | somatic clone
      --       --       --
     wing vein | cell autonomous | somatic clone
      --
      --
     wing vein | cell autonomous | somatic clone | increased number
      --       --       --
     wing vein | cell non-autonomous
      --       --
     wing vein | cell non-autonomous | ectopic | somatic clone
      --       --
     wing vein | cell non-autonomous | heat sensitive
      --       --
     wing vein | cell non-autonomous | somatic clone
      --       --       --
     wing vein | cold sensitive
      --       --
     wing vein | decreased number
      --       --
     wing vein | distal
      --       --
     wing vein | dorsal
      --       --
     wing vein | dorsal | somatic clone
      --       --       --
     wing vein | ectopic
      --
     wing vein | ectopic | female
      --       --
     wing vein | ectopic | heat sensitive
      --       --
     wing vein | ectopic | increased number
      --       --
     wing vein | ectopic | male
      --
      --
     wing vein | ectopic | maternal effect
      --       --       --
     wing vein | ectopic | somatic clone
      --
     wing vein | female
      --
      --
     wing vein | germline clone
      --
      --
     wing vein | heat sensitive
      --
     wing vein | increased number
      --       --
     wing vein | increased number | heat sensitive
      --       --
     wing vein | male
      --       --       --
     wing vein | maternal effect
      --       --       --
     wing vein | P-stage
      --       --
     wing vein | posterior
      --       --
     wing vein | precursor
      --       --       --
     wing vein | proximal
      --
     wing vein | somatic clone
      --
     wing vein | somatic clone | heat sensitive
      --       --
     wing vein | somatic clone | increased number
      --       --       --
     wing vein | temperature conditional
      --
      --
Spanning Tree (Parents/Children)
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Vocabulary search
wing
 |__wing blade__________________
cuticle                         |
 |__cuticular specialization____|
multi-tissue structure          |
 |__wing blade__________________|
acellular anatomical structure  |
 |__cuticular specialization____|
                                wing vein  5523 rec.
                                 |__crossvein 1332 rec.
                                 |   |__anterior crossvein(+) 587 rec.
                                 |   |__humeral crossvein(+) 8 rec.
                                 |   |__posterior crossvein 610 rec.
                                 |__longitudinal vein 1559 rec.
                                     |__anterior cubital vein
                                     |__costal vein(+) 65 rec.
                                     |__first anal vein
                                     |__first anterior cubital vein
                                     |__fused first anal and second anterior cubital vein
                                     |__posterior cubital vein
                                     |__radial sector vein
                                     |__radial vein(+) 100 rec.
                                     |__second anal vein
                                     |__second anterior cubital vein
                                     |__subcostal vein 13 rec.
                                     |__wing vein L1 84 rec.
                                     |__wing vein L2 454 rec.
                                     |__wing vein L3(+) 658 rec.
                                     |__wing vein L4 706 rec.
                                     |__wing vein L5(+) 695 rec.
                                     |__wing vein L6(+) 10 rec.
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Is a cuticular specialization
Develops from presumptive wing vein
Part of wing blade
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UBERON:0003194