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Rod and cone cells of the eye, SEM C014 / 4864
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Rod and cone cells of the eye, SEM C014 / 4864
Rod and cone cells of the eye. Coloured scanning electron micrograph (SEM) of rod and cone cells in the retina of a mammalian eye. Cone cells and the more numerous rod cells are specialised light-sensitive cells that occur on the surface of the retina. They are responsible for detecting visible images, which are transmitted as nerve impulses to the optic nerve and the brain. There are about 130 million rod cells in the human retina, which detect light intensity and so are important for day and night vision. The less numerous cone-like cone cells (about 6.5 million in the human retina) respond specifically to colour. Magnification: x5, 300 when printed at 10 centimetres wide
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Media ID 9225581
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Colored Cone Cell Cones Light Sensitive Mammal Mammalian Neural Neuron Neuronal Photoreceptor Photoreceptors Receptor Receptors Reptile Retina Retinal Rods Sense Sensory Sight Vision Visual Cells Nervous System
EDITORS COMMENTS
This print showcases the intricate beauty of rod and cone cells in the eye, captured through a scanning electron microscope. The colored scanning electron micrograph (SEM) reveals the remarkable structure of these specialized light-sensitive cells that reside on the surface of the retina. Rod and cone cells play a crucial role in our visual perception by detecting visible images and transmitting them as nerve impulses to the optic nerve and ultimately to our brain. In humans, there are approximately 130 million rod cells responsible for detecting light intensity, enabling us to see clearly during both day and night. Alongside them, about 6.5 million cone-like cone cells respond specifically to different colors, allowing us to experience vibrant hues. The magnified image provides an insight into their anatomical features with stunning detail. Each cell is meticulously designed for its unique function within our visual system. This photograph not only emphasizes their importance but also highlights their sheer abundance in mammalian eyes. As we marvel at this extraordinary sight, it serves as a reminder of nature's incredible complexity and adaptability. These delicate structures are vital components that enable us to perceive the world around us with clarity and depth. Whether observing wildlife or appreciating everyday scenes, these rod and cone cells form an integral part of our sensory experience - a testament to the wonders of biology and human vision itself.
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