T neuron T2a [FBbt_00003729]
T neuron whose soma sits in the cortex adjacent to the gap between the medulla and lobula plate. Its cell body fibers project through this gap before branching in the second optic chiasm. One branch projects into a medulla column, where it forms a bushy, fine, arborization in medulla layer M9 and then projects through the rest of the medulla column, bifurcating in medulla layer M5 and forming fine arbors throughout layers M1-4. The other branch forms a terminal arborization in lobula layer 3 that is much wider than a single column and has bleb-type terminal branches. Pre- versus postsynaptic innervation judged by scoring of terminal morphology from figures in Fischbach and Dittrich (1989) as assessed by FlyBrain Neuron DB.
Note
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"short_form": "FBbt_00003759",
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"label": "medulla layer M5"
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"short_form": "FBbt_00003750",
"label": "medulla layer M1"
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"label": "medulla layer M4"
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"short_form": "FBbt_00003751",
"label": "medulla layer M2"
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"label": "Takemura et al., 2013, Nature 500(7461): 175--181"
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"DOI": "10.1038/nature12450"
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"label": "Fischbach and Dittrich, 1989, Cell Tissue Res. 258(3): 441--475"
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}
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