FB2026_03 , released September 17, 2026
FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term labellar taste bristle ID (Ontology) FBbt:00004162 (Fly Anatomy)
Definition Gustatory bristle on the outer surface of the labellum (Shanbhag et al., 2002). It is innervated by either 2 or 4 chemosensory neurons and one mechanosensory neuron (Shanbhag et al., 2002). There are 31 of these on each side, which can be divided into three subtypes based on length and number of chemosensory neurons, but there is some variability in the number of each subtype (Shanbhag et al., 2002).[ FlyBase:FBrf0137194 ]
Also Known As "lateral sensillum of labellum"
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VFB:FBbt_00004162
Annotations
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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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 Alleles Insertions Constructs
 labellar taste bristle (all annotations which use CV term, excluding "NOT" statements)
     labellar taste bristle | somatic clone
      --
Spanning Tree (Parents/Children)
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labial sensillum
 |__adult labellum sensillum__
labellum                      |
 |__adult labellum sensillum__|
mechanosensory sensory organ  |
 |__mechanosensory chaeta_____|
gustatory sensory organ       |
 |__taste bristle_____________|
chaeta                        |
 |__adult head bristle________|
 |__taste bristle_____________|
 |__mechanosensory chaeta_____|
adult head sensillum          |
 |__adult head bristle________|
 |__adult labellum sensillum__|
                              labellar taste bristle  228 rec.
                               |__bitter-sensitive labellar taste bristle 131 rec.
                               |   |__intermediate labellar taste bristle(+) 65 rec.
                               |   |__short labellar taste bristle S-a 92 rec.
                               |   |__short labellar taste bristle S-b 51 rec.
                               |__large labellar taste bristle 81 rec.
                               |   |__L-type sensillum L1 13 rec.
                               |   |__L-type sensillum L2 18 rec.
                               |   |__L-type sensillum L3 15 rec.
                               |   |__L-type sensillum L4 17 rec.
                               |   |__L-type sensillum L5 13 rec.
                               |   |__L-type sensillum L6 10 rec.
                               |   |__L-type sensillum L7 14 rec.
                               |   |__L-type sensillum L8 7 rec.
                               |   |__L-type sensillum L9 7 rec.
                               |__short labellar taste bristle 140 rec.
                                   |__short labellar taste bristle S-a 92 rec.
                                   |__short labellar taste bristle S-b 51 rec.
                                   |__short labellar taste bristle S-c 17 rec.
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Is a adult head bristle
adult labellum sensillum
taste bristle
mechanosensory chaeta
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VFB:FBbt_00004162