FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term medial costal vein ID (Ontology) FBbt:00004757 (Fly Anatomy)
Definition Second most proximal (middle) segment of the costal vein. It bears 8 microchaetae, one of which curves away from the cuticle, and a single macrochaeta.[ FlyBase:FBrf0031004 ]
Also Known As"MCo"
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Insertions (FBti)PHENOTYPE_MANIFEST_IN
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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 medial costal vein (all annotations which use CV term, excluding "NOT" statements)
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wing
 |__wing vein segment_____
cuticular specialization  |
 |__wing vein segment_____|
longitudinal vein         |
 |__costal vein___________|
                          medial costal vein  17 rec.
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