FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term chordotonal neuron ID (Ontology) FBbt:00005222 (Fly Anatomy)
Definition Sensory neuron of a chordotonal organ. The tip of its dendrite is associated with a rod-like structure called a scolopale rod.[ FlyBase:FBrf0056378 FlyBase:FBrf0111704 ]
Also Known As "ch neuron" ; "scolopidial neuron"
Comment
Links to External Ontologies
VFB:FBbt_00005222
Annotations
Records annotated with this term OR any of its CHILD TERMS
Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Alleles (FBal)  PHENOTYPE_MANIFEST_IN      27
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION      31
Insertions (FBti)  PHENOTYPE_MANIFEST_IN       3
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN      13
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Alleles Genes  Insertions Constructs
 chordotonal neuron (all annotations which use CV term, excluding "NOT" statements)      29     72      6     38     51
     chordotonal neuron | adult stage       6       --       --       1      5
     chordotonal neuron | ectopic       5       --       --       --       3
     chordotonal neuron | embryonic stage       3       --       --       --       1
     chordotonal neuron | embryonic stage | heat sensitive       1       --       --       --       1
     chordotonal neuron | increased number       2       --       --       --       --
     chordotonal neuron | maternal effect | increased number       1       --       --       --       --
Spanning Tree (Parents/Children)
Only view relationship:
neuron
 |__PNS neuron________________
sensory neuron                |
 |__mechanosensory neuron_____|
mechanosensory system neuron  |
 |__mechanosensory neuron_____|
somatic cell                  |
 |__sensory organ cell________|
                              chordotonal neuron  484 rec.
                               |__adult chordotonal neuron 171 rec.
                               |   |__adult prosternal chordotonal organ neuron(+) 2 rec.
                               |   |__adult SNpp42 neuron
                               |   |__adult SNpp44 neuron
                               |   |__adult SNpp46 neuron
                               |   |__adult SNpp48 neuron
                               |   |__adult SNpp49 neuron
                               |   |__Johnston organ neuron(+) 134 rec.
                               |   |__mechanosensory neuron of leg chordotonal organ(+) 37 rec.
                               |   |__mechanosensory neuron of Wheeler's organ
                               |__larval chordotonal neuron 134 rec.
                                   |__abdominal lch1 neuron(+) 18 rec.
                                   |__dch3 neuron(+) 4 rec.
                                   |__larval abdominal lch5 neuron(+) 115 rec.
                                   |__larval prothoracic lch3 neuron 2 rec.
                                   |__larval terminal lateral chordotonal neuron(+)
                                   |__vch neuron(+) 22 rec.
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Is a sensory organ cell
mechanosensory neuron
PNS neuron
Develops from chordotonal organ precursor cell
Part of peripheral nervous system
hide Synonyms & Secondary IDs
Synonyms
  • "ch neuron" EXACT
    "scolopidial neuron" EXACT
    "Type II neuron" RELATED
Secondary IDs
hide External Crossreferences & Linkouts
VFB:FBbt_00005222