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Figure 2


Fig. 2. Innervation of the filament and lamellae of the zebrafish gill, as indicated by zn-12 confocal immunohistochemistry. (A) zn-12-immunoreactive nerve trunks (arrows) of the gill arch (GA) extend fibres (arrowheads) into the filaments (F) and lamellae (L). Scale bar, 50 µm. Modified from (Jonz and Nurse, 2003). (B) Higher magnification confocal image showing a nerve bundle (arrow) of the filament and nerve fibres (arrowheads) of the lamellae in zebrafish gill. Scale bar, 10 µm. (C) Image in B tilted back 90° showing that the nerve bundle of the filament sends fibres that wrap around the efferent filament artery (eFA) to innervate the filament and lamellar epithelium.