larval A02j neuron [FBbt_00111681]

larval A02j neuron

ID: FBbt_00111681

Larval period-positive median segmental interneuron (PMSI) (Kohsaka et al., 2019 that is early-born in the NB2-1 Notch ON primary hemilineage (Mark et al., 2021. Like other PMSIs it has a ventral soma and it extends dorsally, close to the midline, then forms a loop in the dorsal neuropil (Kohsaka et al., 2019. This neuron has relatively dense arborization at the lateral and dorsal parts of the loop and extends a long projection anteriorly (Kohsaka et al., 2019. It outputs to GDL neurons of the two segments anterior to itself, and motor neurons of its own segment (Fushiki et al., 2016. (Mark et al., 2021, Kohsaka et al., 2019, Fushiki et al., 2016)

These neurons were identified in a EM reconstruction of the full CNS of a 6h old first instar larva. The number of output synapses was the following (number in brackets left/right): to GDL - one segment posterior (7), to GDL - two segments posterior (4/2), to A02l (2/-) (Fushiki et al., 2016.