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Cornea, SEM
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Cornea, SEM
Cornea. Coloured scanning electron micrograph (SEM) of a section through a cornea, the transparent region on the outer surface of the eye. The front of the eye is at top. The corneal epithelium (pink) lies above the substantia propria (parallel white/blue lines), the dense collagenous connective tissue that constitutes the bulk of the cornea. The cornea refracts (bends) light entering the eye onto the lens, thus helping to focus images onto the light-sensitive retina at the back of the eye. Magnification: x800 at 6x7cm size
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6449133
© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY
Connective Cornea Corneal Epithelial Epithelium Fibre Fibres Histological Histology Layer Layered Layers Parallel Sensory Sight Stratified Surface Tissue Vision Visual Sense Section Sectioned
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This print showcases the intricate beauty of the cornea, the transparent region on the outer surface of our eyes. In this coloured scanning electron micrograph (SEM), we are granted a glimpse into the complex layers and structure that make up this vital part of our visual system. At first glance, we observe the front of the eye positioned at the top, with its attention-grabbing pink corneal epithelium resting above. Below it lies the substantia propria, an awe-inspiring dense collagenous connective tissue characterized by parallel white and blue lines. It is within this bulk of tissue that most of the cornea's composition resides. The significance of these layered structures becomes apparent as we learn about their role in vision. The cornea acts as a refractor, skillfully bending light rays that enter our eyes onto our lenses. This crucial function aids in focusing images onto our retina – a light-sensitive area located at the back of our eyes. With a magnification level set at x800 for a 6x7cm size print, every detail has been meticulously captured to provide us with an extraordinary view into this microscopic world. As we admire this image from Science Photo Library, let us marvel at how such complexity seamlessly combines to grant us one of life's greatest gifts – sight.
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