FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

spindle pole

ID (Ontology)

GO:0000922 (Gene Ontology)

Definition

Either of the ends of a spindle, where spindle microtubules are organized; usually contains a microtubule organizing center and accessory molecules, spindle microtubules and astral microtubules.

Comment

Links to External Ontologies

QuickGO data AmiGO data

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
Genes (FBgn)	GO_CELLULAR_COMPONENT
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	Genes	Constructs
spindle pole (all annotations which use CV term, excluding "NOT" statements)
is_active_in \| spindle pole	--		--
located_in \| spindle pole	--		--
spindle pole \| conditional \| embryonic stage 4		--	--
spindle pole \| third instar larval stage		--	--

Spanning Tree (Parents/Children)

cellular_component
 |__cellular anatomical structure_____
microtubule cytoskeleton              |
 |__spindle___________________________|
intracellular membraneless organelle  |
 |__spindle___________________________|
                                      spindle pole  57 rec.
                                       |__meiotic spindle pole 3 rec.
                                       |__mitotic spindle pole 3 rec.
                                       |__polar microtubule 2 rec.
                                       |   |__mitotic spindle polar microtubule
                                       |__spindle pole centrosome 11 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	cellular anatomical structure
Part of	spindle
Synonyms & Secondary IDs
Synonyms

Secondary IDs

External Crossreferences & Linkouts