FB2026_03 , released September 17, 2026
CV Term Report
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Term larval Basin-4 neuron ID (Ontology) FBbt:00111230 (Fly Anatomy)
Definition Larval basin neuron with ventral dendrites that extend to, and may cross, the midline (Ohyama et al., 2015). It has a relatively dorsal axon position, compared to Basins 1 and 2 (Ohyama et al., 2015). It receives substantial input from multidendritic class IV neurons and does not have presynaptic sites on its dendritic arbor (Ohyama et al., 2015). It is involved in the larval behavioral response to nociceptive stimuli (Ohyama et al., 2015).[ FlyBase:FBrf0228257 FlyBase:FBrf0233796 FlyBase:FBrf0254149 ]
Also Known As"larval A09c neuron"
CommentAuthors of FBrf0228257 and FBrf0233796 do not explicitly state which VNC segments this neuron exists in, therefore, subclasses may not be exhaustive.
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VFB:FBbt_00111230
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Alleles (FBal)PHENOTYPE_MANIFEST_IN
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 larval Basin-4 neuron (all annotations which use CV term, excluding "NOT" statements)
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larval ventral nerve cord
 |__larval Basin neuron____________
lineage NB3-5 primary interneuron  |
 |__larval Basin neuron____________|
sensory system neuron              |
 |__nociceptive system neuron______|
larval interneuron                 |
 |__larval Basin neuron____________|
nociceptive system                 |
 |__nociceptive system neuron______|
auditory system neuron             |
 |__larval Basin neuron____________|
                                   larval Basin-4 neuron  12 rec.
                                    |__larval abdominal 1 Basin-4 neuron
                                    |__larval abdominal 2 Basin-4 neuron
                                    |__larval abdominal 3 Basin-4 neuron
                                    |__larval abdominal 4 Basin-4 neuron
                                    |__larval abdominal 5 Basin-4 neuron
                                    |__larval abdominal 6 Basin-4 neuron
                                    |__larval abdominal 7 Basin-4 neuron
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Is a larval Basin neuron
nociceptive system neuron
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VFB:FBbt_00111230