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. 2016 Jan 29;10:5. doi: 10.3389/fnana.2016.00005

Figure 6.

Figure 6

(A) Photomicrograph of a transverse section of the adult lamprey retina stained with H-E. The thick arrow points to horizontal cells in the outer part of the INL. The thin arrow points to photoreceptors. (B,C) Retinas of postmetamorphic (B) and upstream migrating (A,C) adults showing DCX immunoreactivity. In young postmetamorphic retinas (B) DCX immunoreactivity was observed in the outer segments of photoreceptors (thin arrow), in fibers in the IPL and in radial fibers of the ONL ending in the OLM (marked by an arrowhead). In upstream migrating adults DCX immunoreactivity was only observed in radial fibers coursing in the ONL and ending in the OLM (C). In all larval photomicrographs, dorsal is up and medial is to the left. Scale bars: 25 μm in (A); 50 μm in (C); 75 μm in (B).