Figure 3.

Confocal image of an immunohistochemically labeled 6 dpf zebrafish retina. Red-green double cones and blue cones were each labeled with a specific primary antibody and marked with a secondary antibody containing a fluorescent tag. Double cones are stained in red, blue cones in green. To obtain accurate values for the calculation of visual acuity, the center-to-center distance between two red-green double cones was measured. A: The asterisk depicts the exit of the optic nerve. B: Magnification of the cutout of C revealing the cone mosaic of the zebrafish retina. Scale bar in A = 40 μm, scale bar in B = 10 μm.

Haug et al. Frontiers in Zoology 2010 7:8   doi:10.1186/1742-9994-7-8
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