FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

lumen formation, open tracheal system

ID (Ontology)

GO:0035149 (Gene Ontology)

Definition

Creation of the central hole of a tube in an open tracheal system through which gases flow.

Also Known As

"tracheal lumen formation"

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_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
lumen formation, open tracheal system (all annotations which use CV term, excluding "NOT" statements)
acts_upstream_of \| lumen formation, open tracheal system
acts_upstream_of_positive_effect \| lumen formation, open tracheal system
involved_in \| lumen formation, open tracheal system

Spanning Tree (Parents/Children)

open tracheal system development
 |__regulation of tube architecture, open tracheal system__
tube morphogenesis                                         |
 |__tube formation_________________________________________|
anatomical structure formation involved in morphogenesis   |
 |__tube formation_________________________________________|
regulation of biological quality                           |
 |__regulation of tube architecture, open tracheal system__|
                                                           lumen formation, open tracheal system  36 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	tube formation regulation of tube architecture, open tracheal system
Part of
Synonyms & Secondary IDs
Synonyms
	"tracheal lumen formation" EXACT
Secondary IDs

External Crossreferences & Linkouts