FB2026_03 , released September 17, 2026
CV Term Report
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Term adult fruitless vPR1 neuron ID (Ontology) FBbt:00110858 (Fly Anatomy)
Definition Adult fruitless neuron with its cell body located at the anterior of the prothoracic neuromere, close to the midline (Yu et al., 2010). It enters the anterior prothoracic neuromere and projects posteriorly forming arborizations in an 'A' shape extending into the mesothoracic neuromere bilaterally (Yu et al., 2010; Lillvis et al., 2024). A branch projects to the brain to form axonal arbors in the lateral protocerebral complex (Yu et al., 2010). There are approximately 16 of these cells per organism and they are cholinergic (Lillvis et al., 2024).[ FlyBase:FBrf0211884 FlyBase:FBrf0258823 ]
Also Known As"adult fruitless vPr-a neuron" ; "fru-vPR1"
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VFB:FBbt_00110858
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
Insertions (FBti)PHENOTYPE_MANIFEST_IN
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 adult fruitless vPR1 neuron (all annotations which use CV term, excluding "NOT" statements)
     adult fruitless vPR1 neuron | ectopic | female
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thoracic neuron
 |__prothoracic neuron___________
neuron                           |
 |__fruitless expressing neuron__|
cholinergic neuron               |
 |__adult cholinergic neuron_____|
adult neuron                     |
 |__adult ascending neuron_______|
 |__adult cholinergic neuron_____|
adult CNS neuron                 |
 |__adult VNC neuron_____________|
                                 adult fruitless vPR1 neuron  8 rec.
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Is a prothoracic neuron
fruitless expressing neuron
adult ascending neuron
adult cholinergic neuron
adult VNC neuron
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VFB:FBbt_00110858