FB2026_03 , released September 17, 2026
FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term amnioserosa ID (Ontology) FBbt:00000095 (Fly Anatomy)
Definition A squamous epithelial tissue that derives from the dorsal-most region of the cellular blastoderm and that covers the dorsal side of the embryo following germ-band retraction, prior to dorsal closure.[ FlyBase:FBrf0041814 FlyBase:FBrf0174479 FlyBase:FBrf0244630 FlyBase:FBrf0246683 ]
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Direct annotations: records annotated with this exact term (child terms are NOT included)
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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Relevant FlyBase reports
 Alleles Genes Images Insertions Constructs
 amnioserosa (all annotations which use CV term, excluding "NOT" statements)
     amnioserosa | decreased number
      --       --
      --
     amnioserosa | dorsal closure stage
      --       --       --       --
     amnioserosa | embryonic stage
      --       --
     amnioserosa | germline clone
      --       --       --       --
     amnioserosa | maternal effect
      --       --
      --
     amnioserosa | rescuable maternal effect
      --       --
      --
     amnioserosa | somatic clone
      --       --       --       --
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extended germ band embryo
 |__late extended germ band embryo__
anatomical structure                |
 |__extraembryonic structure________|
epithelium                          |
 |__squamous epithelium_____________|
ectodermal derivative               |
 |__dorsal ectoderm derivative______|
                                    amnioserosa  656 rec.
                                     |__somatic cell of amnioserosa 4 rec.
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Is a extraembryonic structure
squamous epithelium
dorsal ectoderm derivative
Develops from amnioserosa primordium
Part of late extended germ band embryo
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Synonyms
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UBERON:0010302