FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term larval mushroom body output neuron e1 ID (Ontology) FBbt:00047972 (Fly Anatomy)
Definition Larval neuron that has presynapses in the dorsoposterior compartment (posterior superior medial protocerebrum) and dorsoanterior compartment (anterior superior medial protocerebrum) and postsynapses in the mushroom body vertical lobe tip region (V3) (Saumweber et al., 2018). It is cholinergic (Eichler et al., 2017). It outputs onto FBN-4, FBN-10, FBN-12, FBN-13, FBN-17, FAN-4, FAN-7 and FAN-11 (Eschbach et al., 2020). Its activity inhibits turning behavior (Eschbach et al., 2021). It develops from the CP3 (DL2) neuroblast (Saumweber et al., 2018; Truman et al., 2023).[ FlyBase:FBrf0236359 FlyBase:FBrf0238440 FlyBase:FBrf0245294 FlyBase:FBrf0251872 FlyBase:FBrf0255928 ]
Also Known As "larval MBON-e1" ; "MBE9b"
Comment MBE9b synonym from catmaid.
Links to External Ontologies
VFB:FBbt_00047972
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 larval mushroom body output neuron e1 (all annotations which use CV term, excluding "NOT" statements)       1      1
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Only view relationship: 
larval neuron
 |__larval cholinergic neuron___________
interneuron                             |
 |__primary interneuron_________________|
cholinergic neuron                      |
 |__larval cholinergic neuron___________|
anterior ectoderm derivative            |
 |__CP3 lineage neuron__________________|
primary neuron                          |
 |__primary interneuron_________________|
mushroom body output neuron             |
 |__larval mushroom body output neuron__|
larval interneuron                      |
 |__larval mushroom body output neuron__|
CNS neuron                              |
 |__supraesophageal ganglion neuron_____|
 |__CP3 lineage neuron__________________|
                                        larval mushroom body output neuron e1  2 rec.
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Is a supraesophageal ganglion neuron
larval mushroom body output neuron
primary interneuron
larval cholinergic neuron
CP3 lineage neuron
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VFB:FBbt_00047972