FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term labellar taste peg ID (Ontology) FBbt:00004163 (Fly Anatomy)
Definition Gustatory peg between the cuticular folds of pseudotrachea of the adult labellum. They measure around 4um in length with a distal shaft of about 2.5um arising from a base that is 1-1.5um high. They are innervated by one chemosensory neuron and one mechanosensory neuron.[ FlyBase:FBrf0137194 ]
Also Known As"interpseudotracheal organ" ; "medial taste peg of labellum" ; "taste papilla" (for all, see Synonyms field below)
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VFB:FBbt_00004163
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 labellar taste peg (all annotations which use CV term, excluding "NOT" statements)
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labial sensillum
 |__adult labellum sensillum__
labellum                      |
 |__adult labellum sensillum__|
chemosensory sensory organ    |
 |__gustatory sensory organ___|
external sensillum            |
 |__eo-type sensillum_________|
adult head sensillum          |
 |__adult labellum sensillum__|
gustatory system              |
 |__gustatory sensory organ___|
                              labellar taste peg  3 rec.
                               |__pseudotracheal taste peg
                               |__pseudotracheal terminal taste peg
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Is a adult labellum sensillum
gustatory sensory organ
eo-type sensillum
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VFB:FBbt_00004163