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Rod and cone cells of the eye, SEM C014 / 4865
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Rod and cone cells of the eye, SEM C014 / 4865
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
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 9225701
© CLOUDS HILL IMAGING LTD/SCIENCE PHOTO LIBRARY
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. In this coloured scanning electron micrograph (SEM), we are granted a glimpse into the remarkable world of these specialized light-sensitive cells that reside on the surface of the retina. Rod and cone cells play a vital role in our visual perception, as they are responsible for detecting visible images and transmitting them as nerve impulses to the optic nerve and ultimately to our brain. With approximately 130 million rod cells, which detect light intensity, and around 6.5 million cone-like cells that respond specifically to colour, our eyes possess an astonishing capacity for day and night vision. The magnified view reveals their delicate structures with astounding clarity. Each cell is meticulously designed to fulfill its unique function within our visual system. The rods outnumbering cones significantly highlight their importance in low-light conditions, while cones contribute to our ability to perceive vibrant colors. This image not only highlights the complexity of these sensory receptors but also emphasizes their crucial role in enabling us to experience the wonders of nature's palette firsthand. It serves as a reminder of how intricately woven biology is with every aspect of life – from wildlife exploration to understanding human anatomy. Captured by CLOUDS HILL IMAGING LTD/SCIENCE PHOTO LIBRARY using a scanning electron microscope (SEM), this photograph stands as a testament to both scientific advancement and artistic appreciation for nature's marvels.
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