FB2026_03 , released September 17, 2026

CV Term Report

Help Close All Open All

General Information

Term

polar microtubule

ID (Ontology)

GO:0005827 (Gene Ontology)

Definition

Any of the spindle microtubules that come from each pole and overlap at the spindle midzone. This interdigitating structure consisting of antiparallel microtubules is responsible for pushing the poles of the spindle apart.[ ISBN:0815316194 ]

Also Known As

"pole-to-pole microtubule"

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
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
polar microtubule (all annotations which use CV term, excluding "NOT" statements)
located_in \| polar microtubule

Spanning Tree (Parents/Children)

spindle
 |__spindle pole_______________
 |__spindle microtubule________|
microtubule                    |
 |__spindle microtubule________|
cellular anatomical structure  |
 |__spindle pole_______________|
                               polar microtubule  2 rec.
                                |__mitotic spindle polar microtubule

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	spindle microtubule
Part of	spindle pole
Synonyms & Secondary IDs
Synonyms
	"pole-to-pole microtubule" EXACT
Secondary IDs

External Crossreferences & Linkouts