FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term gastric caecum primordium ID (Ontology) FBbt:00017027 (Fly Anatomy)
Definition Primordium of the gastric caecum of the larva. There are four of these per midgut. They first become apparent as evaginations at the anterior end of the fused midgut primordium during stage 16.[ FlyBase:FBrf0064792 ]
Also Known As"embryonic gastric caecum"
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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 Alleles Genes Insertions Constructs
 gastric caecum primordium (all annotations which use CV term, excluding "NOT" statements)
     gastric caecum primordium | heat sensitive
      --       --       --
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presumptive embryonic/larval digestive system
 |__embryonic/larval midgut primordium__
developing embryonic structure          |
 |__embryonic/larval midgut primordium__|
midgut primordium                       |
 |__embryonic/larval midgut primordium__|
embryonic/larval midgut primordium      |
 |__fused midgut primordium_____________|
endodermal derivative                   |
 |__anterior endoderm derivative________|
                                        gastric caecum primordium  75 rec.
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Is a embryonic/larval midgut primordium
anterior endoderm derivative
Develops from anterior midgut primordium
Part of fused midgut primordium
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Synonyms
  • "embryonic gastric caecum" EXACT
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