FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

ovarian sheath cell

ID (Ontology)

FBbt:00005406 (Fly Anatomy)

Definition

Cell that is part of the ovarian sheath. All ovarian sheath cells are found in the median layer of the sheath and they include muscle cells and tracheal cells (Cummings, 1973).[ FlyBase:FBrf0244732 ]

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)	EXPRESSION_STAGE_TISSUE_POSITION
Insertions (FBti)	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	Insertions	Constructs
ovarian sheath cell (all annotations which use CV term, excluding "NOT" statements)
ovarian sheath cell \| cell non-autonomous \| somatic clone		--		--

Spanning Tree (Parents/Children)

ovarian sheath
 |__median layer of ovarian sheath_____
cell                                   |
 |__somatic cell_______________________|
female organism                        |
 |__female-specific anatomical entity__|
female-specific anatomical entity      |
 |__median layer of ovarian sheath_____|
multicellular structure                |
 |__median layer of ovarian sheath_____|
anatomical entity                      |
 |__female-specific anatomical entity__|
                                       ovarian sheath cell  37 rec.
                                        |__ovarian sheath muscle cell 24 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	female-specific anatomical entity somatic cell
Part of	median layer of ovarian sheath
Synonyms & Secondary IDs
Synonyms

Secondary IDs

External Crossreferences & Linkouts