FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term dorsal organ warming cell ID (Ontology) FBbt:00051986 (Fly Anatomy)
Definition Ir68a, Ir25a and Ir93a -expressing neuron of the dorsal organ ganglion (DOG), activated by temperature increases (Hernandez-Nunez et al., 2021). All three of these Ir genes are necessary for heating-induced activity of these cells, with Ir68a specifying warming, rather than cooling sensitivity (Hernandez-Nunez et al., 2021). Two of these cells are found in each DOG and each projects to a different antennal lobe glomerulus, distinct from the one targeted by the cool cells, in the posterior dorsal antennal lobe (Hernandez-Nunez et al., 2021). The sensory dendrites of these neurons do not exhibit the membrane infoldings seen in the cool cells and they extend a thin dendrite into the central dome sensillum (Hernandez-Nunez et al., 2021).[ FlyBase:FBrf0250348 ]
Also Known As "larval thermo-warm sensory neuron" ; "larval warming cell" ; "larval WC"
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VFB:FBbt_00051986
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thermosensory neuron
 |__larval thermosensory neuron_____________
larval external sense organ sensory neuron  |
 |__dorsal organ sensory neuron_____________|
embryonic/larval sensory neuron             |
 |__larval thermosensory neuron_____________|
                                            dorsal organ warming cell
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Is a dorsal organ sensory neuron
larval thermosensory neuron
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VFB:FBbt_00051986