FB2026_03 , released September 17, 2026
FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term tertiary pigment cell ID (Ontology) FBbt:00004233 (Fly Anatomy)
Definition Interommatidial pigment cell that lies between the vertices of adjacent ommatidia. Except at the margins of the eye, vertices alternate between those with tertiary pigment cells and those with bristles. Vertices at the margins all have tertiary pigment cells. These cells contain the red screening pigment pteridine, as well as ommochrome granules. Together with secondary pigment cells, it secretes the lens between the facets.[ FlyBase:FBrf0064798 ]
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VFB:FBbt_00004233
Annotations
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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 Insertions Constructs
 tertiary pigment cell (all annotations which use CV term, excluding "NOT" statements)
     tertiary pigment cell | ectopic
      --       --       --
     tertiary pigment cell | ectopic | precursor
      --       --
     tertiary pigment cell | ectopic | pupal stage
      --       --
     tertiary pigment cell | ectopic | somatic clone
      --       --       --
     tertiary pigment cell | heat sensitive
      --       --
     tertiary pigment cell | increased number
      --       --
     tertiary pigment cell | increased number | heat sensitive
      --       --       --
     tertiary pigment cell | P-stage
      --
     tertiary pigment cell | P-stage | cell autonomous | somatic clone
      --       --       --
     tertiary pigment cell | precursor
      --
     tertiary pigment cell | pupal stage
      --       --       --
     tertiary pigment cell | pupal stage P7
      --
      --
     tertiary pigment cell | pupal stage P7 | heat sensitive
      --       --       --
     tertiary pigment cell | pupal stage P7 | somatic clone
      --       --       --
     tertiary pigment cell | pupal stage | increased number
      --       --
     tertiary pigment cell | somatic clone
      --
      --
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retina
 |__pigment cell__________
 |__interommatidial cell__|
sensory organ cell        |
 |__pigment cell__________|
 |__interommatidial cell__|
adult PNS glial cell      |
 |__pigment cell__________|
                          tertiary pigment cell  170 rec.
                           |__tertiary pigment cell pigment granule 6 rec.
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interommatidial cell
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VFB:FBbt_00004233