FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term labial disc ID (Ontology) FBbt:00001764 (Fly Anatomy)
Definition Imaginal disc that, in the adult, gives rise to the proboscis, including the prementum, prestomal cavity, labellum, labellar cap and pseudotrachea (Cohen, 1993).[ FlyBase:FBrf0033866 FlyBase:FBrf0064789 ]
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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Relevant FlyBase reports
 Alleles Genes Images Insertions Constructs
 labial disc (all annotations which use CV term, excluding "NOT" statements)
     labial disc | heat sensitive
      --       --       --
     labial disc | somatic clone
      --       --       --       --
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Vocabulary search 
labial segment
 |__larval labial segment____
larval gnathal segment       |
 |__larval labial segment____|
larval imaginal tissue       |
 |__imaginal disc____________|
multi-tissue structure       |
 |__imaginal disc____________|
ventral ectoderm derivative  |
 |__imaginal disc____________|
                             labial disc  33 rec.
                              |__labial disc anterior compartment
                              |__labial disc dorsal compartment
                              |__labial disc epithelium proper
                              |   |__epithelial cell of labial disc
                              |__labial disc posterior compartment
                              |__labial disc ventral compartment
                              |__peripodial epithelium of labial disc
                              |   |__peripodial epithelial cell of labial disc
                              |__presumptive anterior labial plate
                              |__presumptive border hair
                              |__presumptive discal sclerite
                              |__presumptive haustellum
                              |__presumptive labellar cap
                              |__presumptive prementum
                              |__presumptive pseudotrachea
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Is a imaginal disc
Develops from labial disc primordium
Part of larval labial segment
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UBERON:6001764