FB2026_03 , released September 17, 2026
CV Term Report
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Term mushroom body output neuron 19 ID (Ontology) FBbt:00111011 (Fly Anatomy)
Definition A cholinergic neuron whose dendrites arborize unilaterally in the posterior layer of alpha lobe slices 2 and 3 and projects to the superior medial protocerebrum. There are two of these per hemisphere (Li et al., 2020; Truman et al., 2023) and they are DL1 (CP2) secondary neurons (Truman et al., 2023).[ FlyBase:FBrf0227179 FlyBase:FBrf0248215 FlyBase:FBrf0255928 ]
Also Known As"MBON-19" ; "MBON-alpha2p3p" ; "MBON19"
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VFB:FBbt_00111011
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 mushroom body output neuron 19 (all annotations which use CV term, excluding "NOT" statements)
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neuron
 |__secondary neuron___________________________
cholinergic neuron                             |
 |__adult cholinergic neuron___________________|
adult neuron                                   |
 |__adult cholinergic neuron___________________|
adult mushroom body output neuron              |
 |__adult typical mushroom body output neuron__|
adult DL1 lineage clone                        |
 |__adult DL1 lineage neuron___________________|
CNS neuron                                     |
 |__supraesophageal ganglion neuron____________|
adult CNS neuron                               |
 |__adult DL1 lineage neuron___________________|
CP2 lineage neuron                             |
 |__adult DL1 lineage neuron___________________|
                                               mushroom body output neuron 19  13 rec.
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Is a supraesophageal ganglion neuron
secondary neuron
adult typical mushroom body output neuron
adult DL1 lineage neuron
adult cholinergic neuron
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VFB:FBbt_00111011