FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

9+2 motile cilium

ID (Ontology)

GO:0097729 (Gene Ontology)

Definition

A motile cilium where the axoneme has a ring of nine outer microtubule doublets plus two central microtubules (and is therefore called a 9+2 axoneme).[ PubMed:22118931 ]

Also Known As

"motile 9+2 cilium"

Comment

Links to External Ontologies

QuickGO data AmiGO data

Annotations

Records annotated with this term OR any of its CHILD TERMS

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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
Genes (FBgn)	GO_CELLULAR_COMPONENT

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	Genes
9+2 motile cilium (all annotations which use CV term, excluding "NOT" statements)
is_active_in \| 9+2 motile cilium

Spanning Tree (Parents/Children)

  cilium
   |__motile cilium
       |__9+2 motile cilium  52 rec.
           |__left anterior flagellum
           |   |__left anterior basal body
           |__left caudal flagellum
           |   |__left caudal basal body
           |__left posteriolateral flagellum
           |   |__left posteriolateral basal body
           |__left ventral flagellum
           |   |__left ventral basal body
           |__longitudinal flagellum
           |__paraflagellar rod
           |__right anterior flagellum
           |   |__right anterior basal body
           |__right caudal flagellum
           |   |__right caudal basal body
           |__right posteriolateral flagellum
           |   |__right posteriolateral basal body
           |__right ventral flagellum
           |   |__right ventral basal body
           |__sperm flagellum 48 rec.
           |   |__outer dense fiber
           |   |__sperm annulus
           |   |__sperm end piece
           |   |__sperm fibrous sheath
           |   |__sperm midpiece(+)
           |   |__sperm principal piece
           |__transverse flagellum

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	motile cilium
Part of
Synonyms & Secondary IDs
Synonyms
	"conventional motile cilium" NARROW "motile 9+2 cilium" EXACT "sperm flagellum" NARROW
Secondary IDs

External Crossreferences & Linkouts