FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

mitotic M phase

ID (Ontology)

GO:0000087 (Gene Ontology)

Definition

A cell cycle phase during which nuclear division occurs, and which is comprises the phases: prophase, metaphase, anaphase and telophase and occurs as part of a mitotic cell cycle.

Also Known As

"M phase of mitotic cell cycle" ; "M-phase of mitotic cell cycle"

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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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	Constructs
mitotic M phase (all annotations which use CV term, excluding "NOT" statements)

Spanning Tree (Parents/Children)

cell cycle phase
 |__M phase___________________
 |__mitotic cell cycle phase__|
                              mitotic M phase  61 rec.
                               |__mitotic anaphase 30 rec.
                               |   |__mitotic anaphase A
                               |   |__mitotic anaphase B
                               |__mitotic metaphase 23 rec.
                               |__mitotic prometaphase 3 rec.
                               |__mitotic prophase 1 rec.
                               |__mitotic telophase 2 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	M phase mitotic cell cycle phase
Part of
Synonyms & Secondary IDs
Synonyms
	"M phase of mitotic cell cycle" EXACT "M-phase of mitotic cell cycle" EXACT
Secondary IDs

External Crossreferences & Linkouts
	Reactome:R-HSA-68886 "M Phase"