FB2026_03 , released September 17, 2026
CV Term Report
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Term antennal mechanosensory and motor center B1a projection neuron ID (Ontology) FBbt:00110121 (Fly Anatomy)
Definition Projection neuron whose cell body is located dorsally to the antennal mechanosensory and motor center (AMMC) and innervates the AMMC zone B and both the ipsilateral and the contralateral inferior ventrolateral protocerebrum (IVLP) regions. These neurons receive input in the AMMC zone B and establish presynaptic connections in the lateral region of the IVLP. These neurons are activated by an acoustic stimuli and are narrowly tuned to respond to 100 Hz stimuli (Lai et al., 2012).[ FlyBase:FBrf0217491 FlyBase:FBrf0225096 ]
Also Known As"AMMC-B1a" ; "AMMC-B1a neuron" ; "AMMC-B1a PN"
CommentAuditory function was determined measuring GCaMP activation in these cells in response to an acoustic stimuli. Subsets of AMMC-B1a neurons were labeled with the drivers: E0564-GAL4, E0583-GAL4, VT27938-GAL4 and VT19992-GAL4. Single cell imaging with the first two drivers showed that the AMMC-B1a neurons are isomorphic. Presence of pre- and postsynaptic sites was determined by immunoreactivity to Dscam- and synaptotagmin-GFP localization, respectively.
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VFB:FBbt_00110121
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 antennal mechanosensory and motor center B1a projection neuron (all annotations which use CV term, excluding "NOT" statements)
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supraesophageal ganglion neuron_______________________________
fruitless expressing neuron___________________________________|
adult ALl1 lineage neuron_____________________________________|
adult mechanosensory projection neuron________________________|
antennal mechanosensory and motor center B projection neuron__|
auditory system neuron________________________________________|
                                                              antennal mechanosensory and motor center B1 projection neuron
                                                               |__antennal mechanosensory and motor center B1a projection neuron  8 rec.
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VFB:FBbt_00110121