FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term mushroom body medial lobe arborizing neuron 5 ID (Ontology) FBbt:00100233 (Fly Anatomy)
Definition A neuron, which is part of a cluster of approximately 5 neurons per brain hemisphere, whose cell body is located on the inferior neuropils, anterior to the vertical lobe of the adult brain. The cell body fiber travels medially and arborizes in the inferior neuropils above the middle part of the medial lobe. The main fibers then intermingle with the MB-M4 neurons and enter the medial lobe through the same pathway as MB-M4.[ FlyBase:FBrf0205263 ]
Also Known As "MB-M5"
Comment Names are assigned according to the area of the mushroom body they arborize, as detailed in Tanaka et al. (2008). The projection patterns of the MB-M4 neurons was determined by Tanaka et al. (2008) by comparing the expression patterns of the enhancer traps NP393 and NP3212. In contrast, the connectivity patterns of MB-M5 and MB-M6 neurons in the medial lobes and protocerebrum is not clear due to this overlap.
Links to External Ontologies
VFB:FBbt_00100233
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Data Class Field Records
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       2
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 Insertions
 mushroom body medial lobe arborizing neuron 5 (all annotations which use CV term, excluding "NOT" statements)       2
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interneuron
 |__adult interneuron________________
input/output neuron                  |
 |__mushroom body extrinsic neuron___|
CNS neuron                           |
 |__supraesophageal ganglion neuron__|
adult CNS neuron                     |
 |__adult interneuron________________|
                                     mushroom body medial lobe arborizing neuron 5  2 rec.
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Is a supraesophageal ganglion neuron
adult interneuron
mushroom body extrinsic neuron
Part of adult brain
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Synonyms
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FlyBrain_NDB:10458
VFB:FBbt_00100233