FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term medulla serpentine layer ID (Ontology) FBbt:00003756 (Fly Anatomy)
Definition A major layer of extensive tangential fibers in the medulla, many of which project via the posterior optic commissure to the opposite medulla. It is the 7th most lateral layer of the medulla.[ FlyBase:FBrf0049410 FlyBase:FBrf0065419 FlyBase:FBrf0224194 ]
Also Known As"medulla layer 7" ; "SPL"
Comment
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VFB:FBbt_00003756
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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
 medulla serpentine layer (all annotations which use CV term, excluding "NOT" statements)
     medulla serpentine layer | adult stage | somatic clone
      --
      --
     medulla serpentine layer | P-stage
      --
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medulla__________________
synaptic neuropil layer__|
                         medulla layer
                          |__medulla serpentine layer  12 rec.
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Synonyms
  • "medulla layer 7" EXACT
    "medulla layer M7" RELATED
    "SPL" EXACT BRAIN_NAME_ABV[ FlyBase:FBrf0224194 ]
Secondary IDs
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VFB:FBbt_00003756