FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term peripodial epithelium ID (Ontology) FBbt:00001762 (Fly Anatomy)
Definition A squamous epithelium that makes up one side of the epithelial sac of which each imaginal disc consists, with the other side being the columnar epithelium that will form the main adult structure generated by the disc (Gibson et al., 2000). The anterior-posterior compartment boundary of each disc runs through the middle of this epithelium. During the third larval instar stage, some of the cells in this epithelium send out long processes, known as lumenal extensions, which traverse the disc lumen to contact the columnar cells of the disc (Gibson et al., 2000). During metamorphosis, peripodial epithelia tend to give rise to parts of the body wall integument (Milner et al., 1984; Gibson et al., 2000).[ FlyBase:FBrf0041702 FlyBase:FBrf0131300 ]
Also Known As "peripodial membrane" ; "squamous peripodial membrane"
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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      24
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       4
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN      14
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 Full annotation statements 
Relevant FlyBase reports
 Alleles Genes Insertions Constructs
 peripodial epithelium (all annotations which use CV term, excluding "NOT" statements)      24     26     32     16
     peripodial epithelium | cell autonomous | somatic clone       1       --       --       --
     peripodial epithelium | cell non-autonomous | third instar larval stage       4       --       --       4
     peripodial epithelium | heat sensitive       1       --       --       --
     peripodial epithelium | larval stage       2       --       --       2
     peripodial epithelium | posterior       3       --       --       1
     peripodial epithelium | somatic clone       1       --       --       --
     peripodial epithelium | third instar larval stage       2       --       --       2
Spanning Tree (Parents/Children)
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  epithelium
   |__squamous epithelium
       |__peripodial epithelium  122 rec.
           |__peripodial epithelium of clypeo-labral disc
           |__peripodial epithelium of eye-antennal disc 42 rec.
           |   |__peripodial epithelium of antennal disc
           |   |__peripodial epithelium of eye disc(+) 41 rec.
           |__peripodial epithelium of genital disc
           |   |__peripodial epithelium of female genital disc
           |   |__peripodial epithelium of male genital disc
           |__peripodial epithelium of haltere disc
           |__peripodial epithelium of humeral disc
           |__peripodial epithelium of labial disc
           |__peripodial epithelium of leg disc 1 rec.
           |   |__peripodial epithelium of mesothoracic leg disc
           |   |__peripodial epithelium of metathoracic leg disc
           |   |__peripodial epithelium of prothoracic leg disc
           |__peripodial epithelium of wing disc 10 rec.
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Is a squamous epithelium
Part of imaginal disc
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