Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
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| Term | adult hygrosensory neuron Ir40a VP1d | ID (Ontology) | FBbt:00047226 (Fly Anatomy) |
| Definition | Adult hygrosensory neuron that expresses the humidity-sensing Ionotropic receptor (Ir) 40a, and the co-receptors Ir93a and Ir25a, and innervates the antennal lobe glomerulus VP1d (Enjin et al, 2016; Knecht et al., 2016; Marin et al., 2020). It receives sensory input in the blunt-tipped sensilla of chamber II of the sacculus and its projections remain strictly ipsilateral (Silbering et al., 2011; Marin et al., 2020; Schlegel et al., 2021). It is activated by dry air (to a lesser extent than the VP4 Ir40a neurons) (Knecht et al., 2016) and by large decreases in temperature (Enjin et al., 2016), which may collectively correspond to detection of evaporative cooling (Marin et al., 2020). It develops from an Nab precursor (Benton et al., 2025). There are around 7-9 of these cells per hemisphere (Marin et al., 2020).[ FlyBase:FBrf0206496 FlyBase:FBrf0215822 FlyBase:FBrf0232388 FlyBase:FBrf0233685 FlyBase:FBrf0246456 FlyBase:FBrf0249560 FlyBase:FBrf0262710 ] | ||
| Also Known As | "HRN_VP1d" ; "VP1dRN" | ||
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| VFB:FBbt_00047226 | |||
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thermosensory neuron |__adult thermosensory neuron________________ hygrosensory neuron | |__adult hygrosensory neuron Ir40a___________| adult antennal lobe receptor neuron | |__unilateral antennal lobe receptor neuron__| |__adult hygrosensory neuron Ir40a___________| external sense organ sensory neuron | |__eo neuron_________________________________| |__adult hygrosensory neuron Ir40a___________| adult sensory neuron | |__adult thermosensory neuron________________| adult hygrosensory neuron Ir40a VP1d |
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| Is a |
eo neuron adult thermosensory neuron unilateral antennal lobe receptor neuron adult hygrosensory neuron Ir40a |
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| Develops from | antennal olfactory receptor neuron precursor Nab | ||
| Part of | adult peripheral nervous system | ||
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DoOR:Ir40a.VP1 VFB:FBbt_00047226 |
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