FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
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.
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Annotations
Records annotated with this term OR any of its CHILD TERMS
Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Alleles (FBal)  PHENOTYPE_MANIFEST_IN       3
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       7
Insertions (FBti)  PHENOTYPE_MANIFEST_IN       1
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN       1
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Relevant FlyBase reports
 Alleles Genes Images Insertions Constructs
 peritoneal sheath muscle cell (all annotations which use CV term, excluding "NOT" statements)       3      3      1      8      2
     peritoneal sheath muscle cell | absent       1       --       --       1       --
Spanning Tree (Parents/Children)
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visceral muscle cell
 |__adult visceral muscle cell_________
adult muscle cell                      |
 |__adult visceral muscle cell_________|
anatomical entity                      |
 |__female-specific anatomical entity__|
                                       peritoneal sheath muscle cell  17 rec.
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Is a adult visceral muscle cell
female-specific anatomical entity
Part of ovary
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