FB2024_03 , released June 25, 2024
FB2024_03 , released June 25, 2024
CV Term Report
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General Information
Term escort cell ID (Ontology) FBbt:00006049 (Fly Anatomy)
Definition Somatic cell type with squamous morphology found in regions 1 and 2a of the germarium. These cells send out thin cytoplasmic processes which envelop cystoblasts and cysts for several days prior to follicle cell formation. Their extensions move posteriorly with developing cystoblasts, while the cell bodies are stable and do not cross the 2a/2b boundary in the germarium. More posteriorly located escort cells have a higher rate of apoptosis.[ FlyBase:FBrf0190200 FlyBase:FBrf0247148 ]
Also Known As "EC" ; "IGS" ; "inner germarial sheath cell" (for all, see Synonyms field below)
Comment Labelled by expression of fax (Rust et al., 2020).
Links to Extrernal Ontologies
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      32
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION      15
Insertions (FBti)  PHENOTYPE_MANIFEST_IN       3
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN      16
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Alleles Genes Insertions Constructs
 escort cell (all annotations which use CV term, excluding "NOT" statements)      34     12     18     20
     escort cell | adult stage       2       --       1       --
     escort cell | decreased number       4       --       --       3
     escort cell | increased number       8       --       --       5
     escort cell | progressive       2       --       --       1
     escort cell | progressive | somatic clone       1       --       --       --
     escort cell | somatic clone       3       --       1      2
Spanning Tree (Parents/Children)
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ovariole
 |__germarium______________________
 |__somatic cell of ovariole_______|
multi-tissue structure             |
 |__germarium______________________|
female-specific anatomical entity  |
 |__germarium______________________|
 |__somatic cell of ovariole_______|
somatic cell                       |
 |__somatic cell of ovariole_______|
                                   escort cell  88 rec.
                                    |__anterior escort cell 3 rec.
                                    |__central escort cell
                                    |__posterior escort cell 1 rec.
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Is a somatic cell of ovariole
Develops from larval intermingled cell
Part of germarium
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Synonyms
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