adult olfactory receptor neuron Gr21a/63a [FBbt_00067064]
Ipsilateral odorant receptor neuron that expresses Gr21a (FBgn0041250) (Couto et al., 2005) and Gr63a (FBgn0035468) (Kwon et al., 2007). It innervates antennal lobe glomerulus V. Unlike many other antennal olfactory receptor neurons, it does not send an axon branch through the antennal commissure to innervate the equivalent contralateral glomerulus. Suh et al., (2004) and Kwon et al., (2007) identify this neuron as being sensitive to CO2 levels. Its dendrite transduces signals from antennal basiconic sensillum ab1. The numbers of these neurons have been estimated to 39.8 in females and 30 in males (Grabe et al., 2016). Gr21a and Gr63a are only found in one ORN and they are co-expressed (Kwon et al., 2006).
Note
This page displays the raw VFB json record for this term. Please use the link below to open the term inside the Virtual Fly Brain viewerOpen adult olfactory receptor neuron Gr21a/63a in VFB
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VFB Term Json
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