Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
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| Term | medulla intrinsic neuron Mi9 | ID (Ontology) | FBbt:00003784 (Fly Anatomy) |
| Definition | Medulla intrinsic narrow field neuron with a bushy mix of bleb-type and fine terminal arborization in layers M2, M3 and M4 and in the lower medulla layers M9-M10 (Fischbach and Dittrich, 1989; Kind et al., 2021). It establishes pre- and post-synaptic connections in both the inner and outer medulla layers (Fischbach and Dittrich, 1989; Morante and Desplan, 2008). It receives input from lamina monopolar neuron L3 (Takemura et al., 2013). It is glutamatergic (Takemura et al., 2017). There is usually one of these cells per optic column (Nern et al., 2025).[ FlyBase:FBrf0049410 FlyBase:FBrf0204652 FlyBase:FBrf0222324 FlyBase:FBrf0235606 FlyBase:FBrf0252485 FlyBase:FBrf0262545 ] | ||
| Also Known As | "medullary intrinsic neuron Mi9" ; "Mi9" | ||
| Comment | Pre-synaptic terminals were assessed by labelling with a UAS-Synaptotagmin reporter (P\{UAS-HA-syt\} - FBtp0015803). The identification of dendrites and axons was done using a UAS-Dscam (P\{UAS-Dscam.exon17.1.GFP\} - FBtp0021447) or a UAS-tau (P\{UAS-tau-lacZ.O\} - FBtp0010033) reporter, respectively (Morante and Desplan, 2008). Connectivity in the medulla was extrapolated from serial EM from 7 columns (Takemura et al., 2013). | ||
| Links to External Ontologies | |||
| VFB:FBbt_00003784 | |||
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adult optic lobe columnar neuron |__optic lobe narrow field columnar neuron__ optic lobe intrinsic columnar neuron | |__medulla intrinsic columnar neuron________| adult neuron | |__adult glutamatergic neuron_______________| secondary neuron | |__Notch OFF hemilineage secondary neuron___| Notch OFF hemilineage neuron | |__Notch OFF hemilineage secondary neuron___| medulla intrinsic neuron | |__medulla intrinsic columnar neuron________| glutamatergic neuron | |__adult glutamatergic neuron_______________| medulla columnar neuron | |__medulla intrinsic columnar neuron________| medulla intrinsic neuron Mi9 31 rec. |
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medulla intrinsic columnar neuron Notch OFF hemilineage secondary neuron adult glutamatergic neuron optic lobe narrow field columnar neuron |
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| Develops from | immature medulla intrinsic neuron Mi9 | ||
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FlyBrain_NDB:10108 VFB:FBbt_00003784 |
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