ORN_D [FBbt_00067034]

Adult olfactory receptor neuron (ORN) that expresses Or69a (A and B transcripts) (Benton et al., 2025). Its dendrite transduces signals from antennal basiconic sensillum ab9 and it responds to a range of pheromonal and plant matter olfactory stimuli (Benton et al., 2025). It innervates antennal lobe glomerulus D bilaterally, fasciculating with the antennal lobe commissure (Kaur et al., 2019). It develops from an Nba precursor (Benton et al., 2025). There are approximately 25 of these on each side (Benton et al., 2025).

Tags:

ORN_D

ID: FBbt_00067034

Adult Nervous system Olfactory system Sensory neuron

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## Classification

Relationships

capable_of_part_of: olfactory behavior
develops from: antennal olfactory receptor neuron precursor Nba
expresses: Or69a
fasciculates with: adult antennal lobe commissure
has sensory dendrite in: antennal basiconic sensillum ab9
sends synaptic output throughout: antennal lobe glomerulus D

Alternative Names

Synonym	Scope	Reference
ORN_D	exact synonym	Bates et al., 2025
ORN (Or69aA/aB)	exact synonym	10417
ORN_D	exact synonym
odorant receptor neuron D	exact synonym
adult ORN Or69a	exact synonym
ORN_D	exact synonym	Berg et al., 2025
odorant receptor neuron OR69a	related synonym
ORN ab9X	exact synonym	Menuz et al., 2014
ORN_D	exact synonym	Scheffer et al., 2020
ORN ab9A	exact synonym	de Bruyne and Baker, 2008
ORN_D	exact synonym	Schlegel et al., 2024

List all available images of ORN_D (148 total)

Thumbnail	Name	Tags
	ORN_D_L (MaleCNS:220227)	Nervous_system, Sensory_neuron, Adult, Olfactory_system, Cholinergic
	ORN_D_L (MaleCNS:547650996)	Nervous_system, Sensory_neuron, Adult, Olfactory_system
	ORN_D_R (MaleCNS:125253)	Nervous_system, Sensory_neuron, Adult, Olfactory_system, Cholinergic
	ORN_D_R (MaleCNS:519553)	Nervous_system, Sensory_neuron, Adult, Olfactory_system, Cholinergic
	ORN_D_R (MaleCNS:530179)	Nervous_system, Sensory_neuron, Adult, Olfactory_system, Cholinergic