Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
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| Term | larval Saaghi 1 neuron | ID (Ontology) | FBbt:00111659 (Fly Anatomy) |
| Definition | Larval GABAergic premotor neuron (Zarin et al., 2019) that is relatively late-born in the NB5-2 Notch ON primary hemilineage (Mark et al., 2021). Its primary neurite extends into the neuromere forming one arbor that extends anteriorly. One neurite crosses the midline and forms a terminal arbor that extends in a circular manner. It outputs to contralateral ventral and dorsal motorneurons. There is of these one neurons per hemisegment.[ FlyBase:FBrf0229965 FlyBase:FBrf0244727 FlyBase:FBrf0249021 ] | ||
| Also Known As | "larval A06l neuron" ; "larval SA1 neuron" | ||
| Comment | These neurons were identified in two EM reconstructions: one of the full CNS of a 6h old first instar larva, and another of abdominal segment 3 of a 12-24h old first instar larva. Only bilateral connections are reported. The number of identified input synapses in A1 was the following (number in brackets left/right): from A08e1 (2/3), from A08e2 (2/6), from A08e3 (4/5). The number of identified output synapses in A1 was the following (number in brackets left/right): to ventral motoneurons (33/15), to lateral motoneurons (2/8), to dorsal motoneurons (34/37). It is still not known if the pattern of connections is the same in the other abdominal segments (Heckscher et al., 2015). | ||
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| VFB:FBbt_00111659 | |||
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larval neuron |__larval premotor neuron_____________________ |__larval GABAergic neuron____________________| neuron | |__abdominal neuron___________________________| interneuron | |__larval interneuron_________________________| GABAergic neuron | |__larval GABAergic neuron____________________| Notch ON hemilineage primary neuron | |__NB5-2 Notch ON hemilineage primary neuron__| NB5-2 lineage primary neuron | |__lineage NB5-2 primary interneuron__________| |__NB5-2 Notch ON hemilineage primary neuron__| premotor neuron | |__larval premotor neuron_____________________| primary interneuron | |__lineage NB5-2 primary interneuron__________| larval CNS neuron | |__larval interneuron_________________________| larval Saaghi 1 neuron |__larval abdominal 1 Saaghi 1 neuron |__larval abdominal 2 Saaghi 1 neuron |
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lineage NB5-2 primary interneuron abdominal neuron NB5-2 Notch ON hemilineage primary neuron larval premotor neuron larval interneuron larval GABAergic neuron |
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| VFB:FBbt_00111659 | |||