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Hematoxylin and Eosin staining of (a) ovine and (b) bovine retinae. NFL = nerve fiber layer, GCL= retinal ganglion cell layer, IPL = inner plexiform layer, INL = inner nuclear layer, OPL = outer plexiform layer, ONL = outer nuclear layer, IS = photoreceptor inner segments, OS = photoreceptor outer segments. Scale bar: 20 µm.
