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Retina layers, SEM C018 / 0521
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Retina layers, SEM C018 / 0521
Retina layers, coloured scanning electron micrograph (SEM). The retina of the human eye is found on the inside of the eyeball and is formed from a number of layers. The light-detecting part is formed of rod and cone photoreceptor cells. The lower third of this image contains the blood vessels and nerves that form the upper layer. The light entering our eyes has to penetrate though this layer to reach the tightly packed photosensitive outer segments of the photoreceptors (top third of image) which lie just below a layer of retinal pigment epithelium cells (top). Magnification: x480 when printed at 10 centimetres across
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Media ID 9237221
© LOUISE HUGHES/SCIENCE PHOTO LIBRARY
Blood Vessels Colored Cone Cell Cones Epithelium Layer Layers Nerves Neural Ophthalmic Ophthalmology Photoreceptor Photoreceptors Physiological Physiology Retina Rod Cell Rods Sense Sensory Sight Tissue Vascular Vision Cells Nervous System Section Sectioned
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This print titled "Retina Layers" offers a mesmerizing glimpse into the intricate structure of the human eye. Captured using a scanning electron microscope (SEM), this coloured micrograph showcases the various layers that compose the retina, found on the inside of our eyeballs. The image reveals that the retina is composed of multiple layers, each serving a specific function in our visual perception. The lower third displays an intricate network of blood vessels and nerves, forming the upper layer. This layer acts as a gateway for light to penetrate through before reaching the photosensitive outer segments of rod and cone photoreceptor cells. The top third of this image showcases these tightly packed photoreceptors, which are responsible for detecting light and initiating visual signals. Just above them lies a layer of retinal pigment epithelium cells, further protecting and supporting their delicate structure. With its vibrant colours and high magnification level (x480 when printed at 10 centimetres across), this print provides us with an awe-inspiring view into one of nature's most remarkable creations - our sense of sight. It serves as a testament to both the complexity and beauty inherent in our biological systems, reminding us just how extraordinary our bodies truly are.
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