FB2026_03 , released September 17, 2026
CV Term Report
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Term mechanosensory neuron of leg chordotonal organ ID (Ontology) FBbt:00048274 (Fly Anatomy)
Definition Mechanosensory neuron that innervates a scolopidium of a chordotonal organ in the leg. These neurons have axon terminals in a stratum of the leg neuropil that partially overlaps the terminals of campaniform sensillum neurons and is relatively dorsal compared to the terminals of other somatosensory neurons (Tsubouchi et al., 2017).[ FlyBase:FBrf0237124 ]
Also Known As"Lco1N" ; "leg chordotonal neuron" ; "leg chordotonal organ primary neuron"
CommentTsubouchi et al., 2017 have a diagram showing tibial chordotonal receptor neurons, but they do not clearly show these among their example neurons (Lco1N1 and Lco1N2).
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VFB:FBbt_00048274
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Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
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 mechanosensory neuron of leg chordotonal organ (all annotations which use CV term, excluding "NOT" statements)
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neuron
 |__thoracic neuron___________
chordotonal neuron            |
 |__adult chordotonal neuron__|
adult mechanosensory neuron   |
 |__adult chordotonal neuron__|
adult PNS neuron              |
 |__adult chordotonal neuron__|
                              mechanosensory neuron of leg chordotonal organ  37 rec.
                               |__ascending mechanosensory neuron of leg chordotonal organ
                               |__mechanosensory neuron of femoral chordotonal organ 25 rec.
                               |   |__femoral chordotonal claw neuron(+) 2 rec.
                               |   |__femoral chordotonal club neuron(+) 2 rec.
                               |   |__femoral chordotonal hook neuron(+) 2 rec.
                               |   |__mechanosensory neuron of mesothoracic femoral chordotonal organ(+)
                               |   |__mechanosensory neuron of metathoracic femoral chordotonal organ(+)
                               |   |__mechanosensory neuron of prothoracic femoral chordotonal organ(+)
                               |__non-ascending mechanosensory neuron of leg chordotonal organ 4 rec.
                                   |__femoral chordotonal claw neuron(+) 2 rec.
                                   |__femoral chordotonal hook neuron(+) 2 rec.
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Is a thoracic neuron
adult chordotonal neuron
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VFB:FBbt_00048274