fasciculates with develops from expresses sends synaptic output throughout has sensory dendrite in Ir92a antennal lobe glomerulus VM1 adult antennal lobe commissure antennal olfactory receptor neuron precursor Nba antennal olfactory receptor neuron of coeloconic sensillum adult antennal lobe receptor neuron bilateral antennal lobe receptor neuron antennal coeloconic sensillum ac1 adult olfactory receptor neuron Ir92a 2011-11-03T01:56:34Z ORN Ir92a Ir92a ac1 ORN_VM1 DoOR:ac1B fly_anatomy.ontology FBbt:00110012 ORN_VM1 ORN ac1B FlyBrain_NDB:10437 DoOR:Ir92a ORN (VM1) adult olfactory receptor neuron Ir76b/92a VFB:FBbt_00110012 Adult olfactory receptor neuron that expresses the Ionotropic receptor (Ir) 92a and the co-receptors Ir25a and Ir76b (Benton et al., 2025). Its axon innervates antennal lobe glomerulus VM1, bilaterally, fasciculating with the antennal lobe commissure (Silbering et al., 2011; Kaur et al., 2019). Its dendrite transduces signals from antennal coeloconic sensillum ac1 (Benton et al., 2009) and it responds to ammonia (Min et al., 2013). It develops from an Nba precursor (Benton et al., 2025). There are approximately 15 of these cells on each side (Grabe et al., 2016). ORN ac1 ionotropic receptor neuron Ir92a ORN ac1X