FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term cuticulin layer ID (Ontology) FBbt:00004971 (Fly Anatomy)
Definition Outermost layer of the cuticle consisting of proteins and waxes which functions as an impermeability barrier. It overlies the epicuticle.[ FlyBase:FBrf0064790 ]
Also Known As"envelope"
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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 cuticulin layer (all annotations which use CV term, excluding "NOT" statements)
     cuticulin layer | embryonic stage
      --
     cuticulin layer | P-stage
      --
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cuticle_________________________
acellular anatomical structure__|
                                cuticle layer
                                 |__cuticulin layer  7 rec.
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