FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

subcostal vein

ID (Ontology)

FBbt:00004754 (Fly Anatomy)

Definition

Smaller longitudinal vein that arises from the humeral crossvein and is found just posterior to the costal vein (Ferris, 1950; Fabian et al., 2016). Its distal end does not reach the wing margin or any other vein (Fabian et al., 2016).[ FlyBase:FBrf0007734 FlyBase:FBrf0107299 FlyBase:FBrf0233988 ]

Also Known As

"auxiliary vein" ; "axillary vein" ; "subcosta" (for all, see Synonyms field below)

Comment

Links to External Ontologies

Annotations

Records annotated with this term OR any of its CHILD TERMS

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Direct annotations: records annotated with this exact term (child terms are NOT included)

Data Class	Field	Direct annotations
Alleles (FBal)	PHENOTYPE_MANIFEST_IN
Constructs (FBtp)	PHENOTYPE_MANIFEST_IN

Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records

Full annotation statements	Relevant FlyBase reports
Full annotation statements	Alleles	Images	Constructs
subcostal vein (all annotations which use CV term, excluding "NOT" statements)

Spanning Tree (Parents/Children)

  wing vein
   |__longitudinal vein
       |__subcostal vein  13 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	longitudinal vein
Part of
Synonyms & Secondary IDs
Synonyms
	"auxiliary vein" EXACT[ FlyBase:FBrf0007734 ] "axillary vein" EXACT "subcosta" EXACT[ FlyBase:FBrf0233988 ] "wing vein L0" EXACT[ FlyBase:FBrf0107299 ]
Secondary IDs

External Crossreferences & Linkouts
	https://www.ento.csiro.au/biology/drosophila/melanogaster.html?Sc