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. 2018 Nov 27;12:103. doi: 10.3389/fncir.2018.00103

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Copyright © 2018 Omoto, Nguyen, Kandimalla, Lovick, Donlea and Hartenstein.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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ExR2-neurons: posterior extrinsic ring neurons of lineages CM4, CM3, CM1/DM4-6. (A–D) Panel format similar to Figures 5B–E. Confocal z-projections of the TH-Gal4 driver that labels all dopaminergic neurons, including ExR2-neurons. (E–H) Confocal z-projections of individually labeled cells generated by MCFO using TH-Gal4. Four panels depict the same sections and are organized in the same fashion as in panels (A–D). Neuropil labeled by anti-DN-cadherin (gray). (E,F) Green cell is ExR2 (PPM3-EB dopaminergic neuron); a single PPM3-EB innervates the gall (GA), lateral region of the LAL, and all BU partitions on both sides (BUa is not shown). (H) Additional innervation includes EBop, and sparsely EBoc. Magenta cell is not an ExR-neuron (PPM3-FB dopaminergic neuron). Annotation format is identical to that of panels A–D. (H) Dorsal view illustrates that the cell body (cb) of an individual ExR2-neuron is located in the posterior cortex and projects along the MEF. CRE, crepine; FB, fan-shaped body; ML, medial lobe of the mushroom body; NO, noduli; SMP, superior medial protocerebrum. Scale bars represent 25 μm (A–H).