FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

rostral membrane

ID (Ontology)

FBbt:00004498 (Fly Anatomy)

Definition

Integument which covers the rostrum, extending dorsally to the occipital foramen. It is covered with grouped hairs, with the distal rostral sensilla located near its ventral edge, at the insertion of the maxillary palpus.[ FlyBase:FBrf0031004 ]

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	Genes	Images	Insertions	Constructs
rostral membrane (all annotations which use CV term, excluding "NOT" statements)
rostral membrane \| anterior		--	--	--
rostral membrane \| somatic clone		--	--		--

Spanning Tree (Parents/Children)

adult external head
 |__adult head capsule_______
region of integument         |
 |__sclerite_________________|
 |__adult head capsule_______|
ventral ectoderm derivative  |
 |__adult head capsule_______|
                             rostral membrane  32 rec.
                              |__rostral trichoid sensillum 2 rec.
                                  |__distal rostral sensillum 1 rec.
                                  |__proximal rostral sensillum 2 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	sclerite
Part of	adult head capsule
Synonyms & Secondary IDs
Synonyms

Secondary IDs

External Crossreferences & Linkouts