FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

air bubble

ID (Ontology)

FBbt:00003003 (Fly Anatomy)

Definition

Bubble of gas that appears in the center of the prepupa. It then translocates to the posterior of the animal. Rhythmic contractions of the abdominal muscles, accompanied by a swaying motion of the prepupa, moves the gas bubble along the sides of the animal towards the anterior end, driving larval/pupal apolysis (the separation of cuticle from the epidermis) and creating a space at the anterior of the puparium for subsequent adult head eversion.[ FlyBase:FBrf0040740 FlyBase:FBrf0201083 ]

Comment

Links to External Ontologies

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
Insertions (FBti)	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	Images	Insertions	Constructs
air bubble (all annotations which use CV term, excluding "NOT" statements)
air bubble \| pharate adult stage		--	--

Spanning Tree (Parents/Children)

pupa
 |__pupal tracheal system_____
tracheal system               |
 |__pupal tracheal system_____|
immaterial anatomical entity  |
 |__anatomical space__________|
                              air bubble  26 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	anatomical space
Part of	pupal tracheal system
Synonyms & Secondary IDs
Synonyms
	"prepupal air bubble" RELATED
Secondary IDs

External Crossreferences & Linkouts