FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

fourth segment of antenna

ID (Ontology)

FBbt:00004516 (Fly Anatomy)

Definition

A small ring at the base of the 5th segment, where it attaches to the 3rd segment.[ FlyBase:FBrf0007734 FlyBase:FBrf0037077 ]

Also Known As

"antennal segment 4"

Comment

Links to External Ontologies

Annotations

Records annotated with this term OR any of its CHILD TERMS

Choose a record type to view annotations for this term and its child terms. Direct annotations and full annotation statements below also provide HitList buttons.

Results list data from multiple species. Choose a record type above to open its HitList.

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

Data Class	Field	Direct annotations
Alleles (FBal)	PHENOTYPE_MANIFEST_IN
Insertions (FBti)	EXPRESSION_STAGE_TISSUE_POSITION
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	Insertions	Constructs
fourth segment of antenna (all annotations which use CV term, excluding "NOT" statements)

Spanning Tree (Parents/Children)

  segment of antenna
   |__basal cylinder
       |__fourth segment of antenna  12 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	basal cylinder
Part of
Synonyms & Secondary IDs
Synonyms
	"antennal segment 4" EXACT "flugellum" BROAD[ FlyBase:FBrf0007734 ]
Secondary IDs

External Crossreferences & Linkouts
	https://www.ento.csiro.au/biology/drosophila/melanogaster.html?aristomere%201