ORN_DA3 [FBbt_00067033]

Adult olfactory receptor neuron (ORN) that expresses Or23a (Benton et al., 2025). Its dendrite transduces signals from antennal intermediate sensillum ai2 (Benton et al., 2025). It innervates the antennal lobe glomerulus DA3 bilaterally, fasciculating with the antennal lobe commissure (Kaur et al., 2019). It develops from an Nba precursor (Benton et al., 2025). There are around 15 of these cells per side in females and 18 in males (Grabe et al., 2016).

Tags:

ORN_DA3

ID: FBbt_00067033

Adult Nervous system Olfactory system Sensory neuron

Olfactory stimulus unknown (Benton et al., 2025).

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## Classification

Relationships

develops from: antennal olfactory receptor neuron precursor Nba
expresses: Or23a
fasciculates with: adult antennal lobe commissure
has sensory dendrite in: antennal intermediate sensillum ai2
sends synaptic output throughout: antennal lobe glomerulus DA3

Alternative Names

Synonym	Scope	Reference
ORN (Or23a)	exact synonym	10396
ORN_DA3	exact synonym
adult ORN Or23a	exact synonym
ORN_DA3	exact synonym	Bates et al., 2025
ORN ai2b	exact synonym	Ronderos et al., 2014
odorant receptor neuron Or23a	exact synonym
ORN_DA3	exact synonym	Berg et al., 2025
ORN at2B	related synonym	Menuz et al., 2014
ORN_DA3	exact synonym	Schlegel et al., 2024
odorant receptor neuron DA3	related synonym
ORN_DA3	exact synonym	Scheffer et al., 2020
ORN at2A	related synonym	de Bruyne and Baker, 2008

List all available images of ORN_DA3 (141 total)

Thumbnail	Name	Tags
	ORN_DA3_L (MaleCNS:378835)	Nervous_system, Sensory_neuron, Adult, Olfactory_system
	ORN_DA3_L (MaleCNS:419992)	Nervous_system, Sensory_neuron, Olfactory_system, Adult
	ORN_DA3_R (MaleCNS:884064233)	Nervous_system, Sensory_neuron, Olfactory_system, Adult
	ORN_DA3_R (MaleCNS:925969)	Nervous_system, Sensory_neuron, Olfactory_system, Adult
	ORN_DA3_R (MaleCNS:925969)	Nervous_system, Sensory_neuron, Olfactory_system, Adult