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Fig. 6. Composites of micrographs from the distal ventral retina of the alevin
showing the progression of retinal development from the peripheral
undifferentiated growth zone (ugz), at the top of each figure, toward the
(main) central retina, at the bottom of each figure. Labelling by the UV
riboprobe (rtUV, A) appears closer to the ugz than labelling by the blue
riboprobe (rtBL, B). Symbols and nomenclature as in
Fig. 5. Magnification bar (at
the bottom right of the figure) is 25 µm.