Lamina monopolar neuron l1
FBbt:00003719
Lamina monopolar neuron that has short collaterals projecting radially from the main projection in the lamina and arborization in medulla layers M1 and M5 (Fischbach and Dittrich, 1989; Kind et al., 2021). In the lamina, these short collaterals are strongly postsynaptic to the terminals of photoreceptors R1-6 (Rivera-Alba et al., 2011). In the medulla, it makes strong reciprocal synaptic connections with lamina monopolar cell L5 and centrifugal neuron C2, as well as substantial output synapses to C3, Mi1 and Tm3 cells (Takemura et al., 2013). It is also electrically synapsed to lamina monopolar neuron L2 (Joesch et al., 2010). It is a glutamatergic neuron (Gao et al., 2008; Takemura et al., 2011). There is usually one of these cells per optic column (Nern et al., 2025).
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