FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

taenidial fold

ID (Ontology)

FBbt:00005046 (Fly Anatomy)

Definition

A specialization of the cuticular lining of the trachea consisting of annular or helical ridges that project into the tracheal lumen (their precise pattern varies along trachea). They prevent the collapse of branches while allowing them to expand and contract along their length, like the corrugated hose of a vacuum cleaner.[ FlyBase:FBrf0064787 ]

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	Insertions	Constructs
taenidial fold (all annotations which use CV term, excluding "NOT" statements)
taenidial fold \| cell autonomous \| embryonic stage 17		--
taenidial fold \| cell autonomous \| embryonic stage 17 \| somatic clone		--
taenidial fold \| cell autonomous \| third instar larval stage		--
taenidial fold \| embryonic stage		--
taenidial fold \| embryonic stage 17
taenidial fold \| first instar larval stage		--	--
taenidial fold \| larval stage		--
taenidial fold \| P-stage		--
taenidial fold \| third instar larval stage		--

Spanning Tree (Parents/Children)

cuticle
 |__cuticular specialization____
tracheal system                 |
 |__tracheal section____________|
acellular anatomical structure  |
 |__cuticular specialization____|
epithelial tube                 |
 |__tracheal section____________|
                                taenidial fold  65 rec.
                                 |__taenidium 17 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	cuticular specialization
Part of	tracheal section
Synonyms & Secondary IDs
Synonyms

Secondary IDs

External Crossreferences & Linkouts