FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term octopaminergic VUMa2 neuron ID (Ontology) FBbt:00110157 (Fly Anatomy)
Definition Octopaminergic neuron of the VUMa cluster with bilaterally symmetrical projections that branch from the primary neurite at the region ventrolateral to the esophagus foramen (Busch et al., 2009). In each hemisphere, it extends to the posterior margin of the antennal lobe and bifurcates (Busch et al., 2009). One branch ramifies within the antennal lobe, with panglomerular arborization (Bates et al., 2020) and runs further to the anterior subesophageal ganglion (Busch et al., 2009). The second branch joins the medial antennal lobe tract and innervates the lateral horn (Busch et al., 2009; Bates et al., 2020). In addition, there are numerous terminals in the calyx of the mushroom body (Busch et al., 2009). There are two neurons of this type (Aso et al., 2014; Bates et al., 2020). They develop from the larval OAN-a1 and OAN-a2 neurons (maxillary and mandibular sVUM1 neurons) (Truman et al., 2023).[ FlyBase:FBrf0207458 FlyBase:FBrf0227179 FlyBase:FBrf0242628 FlyBase:FBrf0246460 FlyBase:FBrf0255928 ]
Also Known As "AL.GNG-OA-VUMa2" ; "OA-VUM2a" ; "OA-VUMa2" (for all, see Synonyms field below)
Comment The neurotransmitter was assessed by immunostaining with an anti-octopamine (OA) antibody in cells labelled with tdc2-GAL4 (FBti0101786) and NP7088-GAL4 (FBti0037217) (Busch et al., 2009).
Links to External Ontologies
VFB:FBbt_00110157
Annotations
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Data Class Field Records
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       1
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 octopaminergic VUMa2 neuron (all annotations which use CV term, excluding "NOT" statements)       1      1
Spanning Tree (Parents/Children)
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interneuron
 |__primary interneuron___________________________________________
octopaminergic neuron                                             |
 |__mushroom body octopaminergic neuron___________________________|
antennal lobe projection neuron                                   |
 |__bilateral antennal lobe projection neuron_____________________|
 |__antennal lobe projection neuron to mushroom body______________|
adult multiglomerular antennal lobe projection neuron             |
 |__adult panglomerular antennal lobe projection neuron___________|
 |__adult multiglomerular antennal lobe projection neuron of SEZ__|
ectodermal derivative                                             |
 |__ventral ectoderm derivative___________________________________|
 |__mesectodermal derivative______________________________________|
primary neuron                                                    |
 |__primary interneuron___________________________________________|
adult lateral horn input neuron                                   |
 |__adult antennal lobe projection neuron to lateral horn_________|
adult antennal lobe projection neuron of SEZ                      |
 |__adult multiglomerular antennal lobe projection neuron of SEZ__|
adult antennal lobe projection neuron                             |
 |__adult antennal lobe projection neuron to lateral horn_________|
 |__medial antennal lobe tract projection neuron__________________|
mushroom body extrinsic neuron                                    |
 |__antennal lobe projection neuron to mushroom body______________|
adult octopaminergic subesophageal VUM neuron                     |
 |__octopaminergic VUMa neuron____________________________________|
                                                                  octopaminergic VUMa2 neuron  2 rec.
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Is a ventral ectoderm derivative
mesectodermal derivative
mushroom body octopaminergic neuron
adult panglomerular antennal lobe projection neuron
adult multiglomerular antennal lobe projection neuron of SEZ
bilateral antennal lobe projection neuron
primary interneuron
antennal lobe projection neuron to mushroom body
adult antennal lobe projection neuron to lateral horn
medial antennal lobe tract projection neuron
octopaminergic VUMa neuron
Develops from larval subesophageal VUM neuron
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Synonyms
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VFB:FBbt_00110157