FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term median tooth ID (Ontology) FBbt:00001861 (Fly Anatomy)
Definition A grey, shovel-like structure that marks the site where the posterior roof of the atrium merges with the inner layer of the dorsal pouch. It is on the midline of the atrium, at the level of the anterior processes of the H-piece (hypostomal sclerite). It is characteristic of the first larval stage.[ FlyBase:FBrf0041814 FlyBase:FBrf0045366 FlyBase:FBrf0064788 ]
Also Known As"unpaired labrum"
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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 Alleles Genes Images Constructs
 median tooth (all annotations which use CV term, excluding "NOT" statements)
     median tooth | ectopic
      --       --       --
     median tooth | maternal effect
      --       --       --
Spanning Tree (Parents/Children)
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procephalic segment
 |__labral segment______________
cephalopharyngeal skeleton      |
 |__pharyngeal sclerite_________|
cuticle                         |
 |__cuticular specialization____|
acellular anatomical structure  |
 |__cuticular specialization____|
cuticular specialization        |
 |__pharyngeal sclerite_________|
                                median tooth  31 rec.
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Is a cuticular specialization
Part of labral segment
pharyngeal sclerite
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Synonyms
  • "larval labrum" RELATED
    "unpaired labrum" EXACT
Secondary IDs
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