FB2026_03 , released September 17, 2026
FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term pigment cell ID (Ontology) FBbt:00004230 (Fly Anatomy)
Definition Glial cell of the retina (Edwards and Meinertzhagen, 2010; Liu et al., 2015) that produces screening pigments (Tomlinson, 2012). These pigments form layers around the retina and each ommatidium to prevent lateral transfer of light, ensuring photoreceptors of one ommatidium are activated only by light entering through one lens (Tomlinson, 2012). These cells also have metabolic interactions with photoreceptor neurons, providing alanine (Edwards and Meinertzhagen, 2010) and removing lipids (Liu et al., 2015).[ FlyBase:FBrf0210316 FlyBase:FBrf0218541 FlyBase:FBrf0227305 ]
Also Known As "pigment glial cell"
Comment
Links to External Ontologies
VFB:FBbt_00004230
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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 Full annotation statements 
Relevant FlyBase reports
 Alleles Split System Combinations Genes  Insertions Constructs
 pigment cell (all annotations which use CV term, excluding "NOT" statements)
     pigment cell | adult stage
      --       --       --
     pigment cell | adult stage | ectopic
      --       --       --       --
     pigment cell | adult stage | somatic clone
      --       --       --
      --
     pigment cell | adult stage | somatic clone - tissue specific
      --       --       --       --       --
     pigment cell | cell autonomous | pupal stage | somatic clone | increased number
      --       --       --       --       --
     pigment cell | cold sensitive
      --       --       --
      --
     pigment cell | decreased number
      --       --       --       --
     pigment cell | ectopic
      --       --       --
     pigment cell | ectopic | somatic clone
      --       --       --
     pigment cell | female
      --       --       --
      --
     pigment cell | heat sensitive
      --       --       --
     pigment cell | increased number
      --       --       --       --
     pigment cell | male
      --       --       --
      --
     pigment cell | P-stage
      --       --       --       --
     pigment cell | P-stage | increased number | somatic clone - tissue specific
      --       --       --       --
     pigment cell | pharate adult stage
      --       --       --       --       --
     pigment cell | pupal stage
      --       --       --       --
     pigment cell | pupal stage | increased number
      --       --       --       --
     pigment cell | pupal stage | somatic clone
      --       --       --       --
     pigment cell | somatic clone
      --       --       --
     pigment cell | somatic clone | heat sensitive
      --       --       --       --       --
     pigment cell | somatic clone | increased number
      --       --       --       --       --
     pigment cell | temperature conditional
      --       --       --       --       --
Spanning Tree (Parents/Children)
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PNS glial cell
 |__adult PNS glial cell_________
eye                              |
 |__retina_______________________|
adult peripheral nervous system  |
 |__retina_______________________|
 |__adult PNS glial cell_________|
portion of tissue                |
 |__retina_______________________|
somatic cell                     |
 |__sensory organ cell___________|
adult glial cell                 |
 |__adult PNS glial cell_________|
                                 pigment cell  3429 rec.
                                  |__primary pigment cell 155 rec.
                                  |   |__primary pigment cell pigment granule 7 rec.
                                  |__secondary pigment cell 189 rec.
                                  |   |__secondary pigment cell pigment granule 10 rec.
                                  |__tertiary pigment cell 170 rec.
                                      |__tertiary pigment cell pigment granule 6 rec.
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Is a sensory organ cell
adult PNS glial cell
Part of retina
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Synonyms
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CL:0001658
VFB:FBbt_00004230