FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term endochorion ID (Ontology) FBbt:00000040 (Fly Anatomy)
Definition One of the outer layers that envelops the oocyte and forms part of the eggshell. It surrounds the inner chorionic layer and is in turn enveloped by the exochorion. The endochorion is composed of a thin floor (or inner endochorion), and a continuous domed roof (or outer endochorion). The floor and roof are connected by vertical pillars. The outer surface of the roof shows protrusions organized in a regular roof network.[ FlyBase:FBrf0029042 FlyBase:FBrf0035166 ]
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Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Alleles (FBal)  PHENOTYPE_MANIFEST_IN      45
Insertions (FBti)  PHENOTYPE_MANIFEST_IN       1
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN       2
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Relevant FlyBase reports
 Alleles Genes Images Insertions Constructs
 endochorion (all annotations which use CV term, excluding "NOT" statements)      45      1      1      1      2
     endochorion | maternal effect       2       --       --       --       --
Spanning Tree (Parents/Children)
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  acellular anatomical structure
   |__chorionic layer
       |__endochorion  50 rec.
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