FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
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
Links to External Ontologies
VFB:FBbt_00003756
Annotations
Records annotated with this term OR any of its CHILD TERMS
Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Alleles (FBal)  PHENOTYPE_MANIFEST_IN       6
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       1
Insertions (FBti)  PHENOTYPE_MANIFEST_IN       2
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN       2
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Alleles Genes Insertions Constructs
 medulla serpentine layer (all annotations which use CV term, excluding "NOT" statements)       6      1      3      2
     medulla serpentine layer | adult stage | somatic clone       1       --       1       --
     medulla serpentine layer | P-stage       5       --       2      2
Spanning Tree (Parents/Children)
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  synaptic neuropil layer
   |__medulla layer
       |__medulla serpentine layer  12 rec.
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Is a medulla layer
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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