FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

peritoneal sheath muscle cell

ID (Ontology)

FBbt:00004897 (Fly Anatomy)

Definition

Cell that is part of a network of anastomosing muscle fibers that covers the ovary. The muscle is striated with an irregular interdigitation of thick and thin filaments and perforated Z-discs.[ FlyBase:FBrf0018806 FlyBase:FBrf0193596 ]

Also Known As

"outer ovarian sheath"

Comment

The ovarian sheath, which surround each ovariole, is distinct from the peritoneal sheath, which surrounds each ovary.

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
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
peritoneal sheath muscle cell (all annotations which use CV term, excluding "NOT" statements)
peritoneal sheath muscle cell \| absent		--	--		--

Spanning Tree (Parents/Children)

adult
 |__ovary______________________________
gonad                                  |
 |__ovary______________________________|
female reproductive system             |
 |__ovary______________________________|
visceral muscle cell                   |
 |__adult visceral muscle cell_________|
female organism                        |
 |__female-specific anatomical entity__|
female-specific anatomical entity      |
 |__ovary______________________________|
adult muscle cell                      |
 |__adult visceral muscle cell_________|
anatomical entity                      |
 |__female-specific anatomical entity__|
                                       peritoneal sheath muscle cell  17 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	adult visceral muscle cell female-specific anatomical entity
Part of	ovary
Synonyms & Secondary IDs
Synonyms
	"outer ovarian sheath" EXACT[ FlyBase:FBrf0244767 ]
Secondary IDs

External Crossreferences & Linkouts