FB2026_03 , released September 17, 2026
FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term cornea ID (Ontology) FBbt:00004191 (Fly Anatomy)
Definition Chitinous extracellular laminar secretion that covers each ommatidia of the adult eye. It is optically clear and biconvex, being around 5um thick at its center, and it covers the pseudocone layer. It is secreted by the underlying four cone cells and two primary pigment cells. The cornea between the facets is secreted by the secondary and tertiary pigment cells and although continuous with the lens, it is not stacked in deep layers.[ FlyBase:FBrf0064798 ]
Also Known As "corneal lens"
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VFB:FBbt_00004191
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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 Alleles Genes Images Constructs
 cornea (all annotations which use CV term, excluding "NOT" statements)
     cornea | adult stage
      --       --
     cornea | somatic clone
      --       --
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ommatidium
 |__lens________________________
cuticle                         |
 |__cuticular specialization____|
acellular anatomical structure  |
 |__cuticular specialization____|
cuticular specialization        |
 |__lens________________________|
                                cornea  28 rec.
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Is a cuticular specialization
Part of lens
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VFB:FBbt_00004191