FB2026_02 , released June 18, 2026

CV Term Report

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General Information

Term

blastoderm segmentation

ID (Ontology)

GO:0007350 (Gene Ontology)

Definition

The hierarchical steps resulting in the progressive subdivision of the anterior/posterior axis of the embryo.[ ISBN:0879694238 ]

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
Genes (FBgn)	GO_BIOLOGICAL_PROCESS

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
blastoderm segmentation (all annotations which use CV term, excluding "NOT" statements)
involved_in \| blastoderm segmentation

Spanning Tree (Parents/Children)

regionalization
 |__segmentation_____________________
pattern specification process        |
 |__embryonic pattern specification__|
embryo development                   |
 |__embryonic pattern specification__|
                                     blastoderm segmentation  220 rec.
                                      |__head segmentation 21 rec.
                                      |   |__anterior head segmentation(+) 8 rec.
                                      |   |__posterior head segmentation(+) 13 rec.
                                      |   |__specification of segmental identity, head(+) 11 rec.
                                      |__periodic partitioning 50 rec.
                                      |   |__periodic partitioning by pair rule gene 8 rec.
                                      |   |__segment polarity determination 39 rec.
                                      |__tripartite regional subdivision 140 rec.
                                      |   |__anterior/posterior axis specification, embryo(+) 140 rec.
                                      |__trunk segmentation 16 rec.
                                          |__specification of segmental identity, trunk(+) 8 rec.
                                          |__trunk neural crest cell migration(+)

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	embryonic pattern specification segmentation
Part of
Synonyms & Secondary IDs
Synonyms

Secondary IDs

External Crossreferences & Linkouts