Transmission electron micrograph (TEM) showing the photoreceptor of a retinal rod cell. Many membranous discs compose the photoreceptor outer segment.

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Photo credit: © JOSE CALVO/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
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Keywords: biological, biology, cell, colour, cytological, cytology, discs, electron, false, false-coloured, histological, histology, membranous, micrograph, microscope, microscopy, outer, photoreceptor, retina, rod, segment, tem, transmission, ultrastructure