November 7, 2019
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Photoreceptor Cilia in Mouse Retina. The cellular structure in photoreceptors that captures light is derived from a modified cilium. Fluorescent labeling for RPGR, a protein commonly mutated in Retinitis Pigmentosa, shows the photoreceptor cilia within the retina (red). Additional ciliary structures (green), the ciliary rootlet (white), and nuclei (blue) are also visualized.