FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term endoderm ID (Ontology) FBbt:00000125 (Fly Anatomy)
Definition Innermost germ layer of the embryo (Campos-Ortega and Hartenstein, 1997). It is formed by the invagination of two anlagen, those of the anterior and posterior midgut (Campos-Ortega and Hartenstein, 1997).[ FlyBase:FBrf0089570 FlyBase:FBrf0155831 ]
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
Insertions (FBti)PHENOTYPE_MANIFEST_IN
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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 endoderm (all annotations which use CV term, excluding "NOT" statements)
     endoderm | cell non-autonomous
      --       --       --
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developing embryonic structure__
primordium______________________|
portion of tissue_______________|
                                germ layer
                                 |__endoderm  886 rec.
                                     |__anterior endoderm 631 rec.
                                     |   |__proventriculus outer layer anlage
                                     |__posterior endoderm 769 rec.
                                     |__somatic cell of endoderm
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Is a germ layer
Develops from endoderm anlage
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UBERON:0000925