FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term embryonic/larval copper cell ID (Ontology) FBbt:00001887 (Fly Anatomy)
Definition Specialized cell of the larval midgut. It secretes acid and accumulates copper. It shows a distinct apical invagination, with an opening to the lumen. The invagination is flask shaped in the posteriormost copper cells with a narrow opening, while anteriormost copper cells are beaker shaped and their opening to the lumen is larger.[ FlyBase:FBrf0064792 FlyBase:FBrf0100557 FlyBase:FBrf0139611 FlyBase:FBrf0221749 ]
Also Known As"calycocyte" ; "embryonic/larval cuprophilic cell" ; "larval cuprophilic cell"
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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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 embryonic/larval copper cell (all annotations which use CV term, excluding "NOT" statements)
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embryonic/larval midgut
 |__embryonic/larval middle midgut__
embryonic/larval midgut cell        |
 |__larval midgut enterocyte________|
endodermal derivative               |
 |__posterior endoderm derivative___|
middle midgut                       |
 |__embryonic/larval middle midgut__|
 |__copper cell_____________________|
larval enterocyte                   |
 |__larval midgut enterocyte________|
larval midgut epithelium            |
 |__larval midgut enterocyte________|
midgut enterocyte                   |
 |__copper cell_____________________|
 |__larval midgut enterocyte________|
                                    embryonic/larval copper cell  33 rec.
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Is a copper cell
posterior endoderm derivative
larval midgut enterocyte
Develops from copper cell primordium
Part of embryonic/larval middle midgut
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Synonyms
  • "calycocyte" EXACT[ FlyBase:FBrf0002495 ]
    "embryonic/larval cuprophilic cell" EXACT
    "larval cuprophilic cell" EXACT
    "larval secretory cell of the middle midgut" RELATED[ FlyBase:FBrf0208023 ]
Secondary IDs
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