FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

chorionic layer

ID (Ontology)

FBbt:00007247 (Fly Anatomy)

Definition

Layer of the chorion that forms the eggshell.[ FlyBase:FBrf0089570 ]

Comment

Links to External Ontologies

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
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
chorionic layer (all annotations which use CV term, excluding "NOT" statements)
chorionic layer \| somatic clone

Spanning Tree (Parents/Children)

egg
 |__chorion_________________________
anatomical structure                |
 |__acellular anatomical structure__|
acellular anatomical structure      |
 |__chorion_________________________|
                                    chorionic layer  54 rec.
                                     |__endochorion 50 rec.
                                     |__exochorion 5 rec.
                                     |__inner chorionic layer 1 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	acellular anatomical structure
Part of	chorion
Synonyms & Secondary IDs
Synonyms

Secondary IDs

External Crossreferences & Linkouts