FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term lamina plexus ID (Ontology) FBbt:00001943 (Fly Anatomy)
Definition Region of the lamina where the axons of photoreceptor cells R1-R6 form a dense layer of expanded growth cones nestled between two layers of glial cells (Garrity et al., 1999).[ FlyBase:FBrf0064800 FlyBase:FBrf0108182 ]
Also Known As"lamina plexiform layer"
Comment
Links to External Ontologies
VFB:FBbt_00001943
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 Genes Insertions Constructs
 lamina plexus (all annotations which use CV term, excluding "NOT" statements)
     lamina plexus | adult stage
      --
      --
     lamina plexus | adult stage | somatic clone
      --       --
     lamina plexus | pupal stage | somatic clone
      --       --       --
     lamina plexus | somatic clone
      --       --       --
     lamina plexus | somatic clone | third instar larval stage
      --       --       --
     lamina plexus | third instar larval stage
      --
Spanning Tree (Parents/Children)
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adult optic lobe
 |__lamina________________________
ectodermal derivative             |
 |__anterior ectoderm derivative__|
anterior ectoderm derivative      |
 |__lamina________________________|
synaptic neuropil subdomain       |
 |__synaptic neuropil layer_______|
synaptic neuropil domain          |
 |__lamina________________________|
                                  lamina plexus  117 rec.
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Is a anterior ectoderm derivative
synaptic neuropil layer
Develops from lamina anlage
Part of lamina
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Synonyms
  • "lamina plexiform layer" EXACT
Secondary IDs
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VFB:FBbt_00001943