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wood prints fish wood prints fish still life wood prints anatomy wood prints choroid wood prints cones wood prints light micrograph wood prints retina wood prints rods wood prints sight wood prints vision wood prints eye wood prints

photographs fish photos fish still life photos anatomy photos choroid photos cones photos light micrograph photos retina photos rods photos sight photos vision photos eye photos

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Light micrograph of the retina from a freshwater roach, Rutilus rutilus. The top of the photo shows the rods (thin) & cones (bulbous/purple), the light sensitive cells of the retina. The band forming an arc of dense cells (bottom) is the pigment layer, beneath which is the choroid contaning blood vessels. The cones are the receptors responsible for daylight & colour vision. Rods are responsible for night or dark" vision. The rest of the retina (not visible) consists of layers of functionally different nerve cells. They transmit visual information as electrical signals to the ganglion nerve, which is connected to the brain. Mag: X63 (at 35mm size)."

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