FB2026_03 , released September 17, 2026
CV Term Report
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Term adult ellipsoid body ring neuron R5 ID (Ontology) FBbt:00047042 (Fly Anatomy)
Definition R-neuron whose axons specifically target the small, anterior domain of the ellipsoid body, projecting short terminal branches centripetally (Omoto et al., 2017; Omoto et al., 2018). Dendritic terminals are confined to a small distinct ventromedial locus in the superior bulb (Omoto et al., 2018).[ FlyBase:FBrf0235330 FlyBase:FBrf0240929 ]
Also Known As"ER5"
CommentOmoto et al. (2018) say this may previously have been grouped in with R2 or R4 neurons in studies using less specific drivers, but maintain that it is a distinct class due to its centripetal projection pattern.
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VFB:FBbt_00047042
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 adult ellipsoid body ring neuron R5 (all annotations which use CV term, excluding "NOT" statements)
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adult ellipsoid body ring neuron__
secondary neuron__________________|
adult EBa1 lineage neuron_________|
adult GABAergic neuron____________|
                                  adult ellipsoid body R-neuron
                                   |__adult ellipsoid body ring neuron R5  3 rec.
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VFB:FBbt_00047042