FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term pseudocone ID (Ontology) FBbt:00004198 (Fly Anatomy)
Definition Extracellular secretion that is found between the corneal lens and the apical surface of photoreceptors and cone cells. It is made up of a gelatinous, clear substance that is secreted in pupal stage by the four underlying cone cells and primary pigment cells.[ FlyBase:FBrf0064798 ]
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VFB:FBbt_00004198
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Insertions (FBti)PHENOTYPE_MANIFEST_IN
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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 pseudocone (all annotations which use CV term, excluding "NOT" statements)
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ommatidium
 |__lens________________________
cuticle                         |
 |__cuticular specialization____|
acellular anatomical structure  |
 |__cuticular specialization____|
cuticular specialization        |
 |__lens________________________|
                                pseudocone  13 rec.
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Is a cuticular specialization
Part of lens
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VFB:FBbt_00004198