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. 2016 Nov 15;6:37119. doi: 10.1038/srep37119

Figure 3. Excitatory PNs express excitatory serotonin receptors.

Figure 3

(a) Representative confocal stack of 5-HT2A expressing lateral projection neurons (latPNs; green). (b) 5-HT2A expressing latPNs also colabel for choline acetyltransferase (ChAT; magenta). (c) Representative confocal stack of 5-HT7 expressing latPNs (green). (d) 5-HT7 expressing latPNs also co-label for ChAT (magenta). (e) Representative confocal stack of 5-HT2B expressing latPNs (green). (f) LatPNs that express 5-HT2B also co-label for ChAT (magenta). (g) 5-HT7 expressing anterodorsal projection neurons (adPNs; green). (h) 5-HT7 expressing adPNs co-label for ChAT (magenta). (i) 5-HT2B expressing adPNs (green). (j) AdPNs that express 5-HT2B also co-label for ChAT (magenta). Neuropil in (a), (c), (e), (g), and (i) are delineated by α-Bruchpilot (α-Brp; magenta) labeling. All scale bars = 10 um.