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Figure 10


Fig. 10. Innervated serotonergic cells located in the gill rakers in (A) O. mykiss and (B) C. auratus immunolabelled for serotonin (5-HT, green) and a synaptic vesicle marker (sv2, red). Insets show magnification of individual cells. Colocalization appears yellow. Arrowheads indicate non-5-HT-IR but SV2-IR cells. Scale bars, 50 µm.