Myelinated nerve fibres, SEM
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Myelinated nerve fibres, SEM
Myelinated nerve fibres. Coloured scanning electron micrograph (SEM) of a section through a bundle of nerve fibres containing a blood vessel (orange). Each nerve fibre contains a central nerve cell axon (green) surrounded by an insulating fatty layer (myelin sheath, red). Myelin isolates the nerve from its surroundings, increasing the speed of nerve transmissions. Some endoneurial collagen fibres (purple) are also seen. This connective tissue helps to keep the fibres in a bundle together
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6421874
© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY
Axon Axons Bundle Connective Tissue False Colour Fibre Fibres Longitudinal Section Myelin Myelinated Nerve Nerves Neural Neuron Neurone Neurones Neurons Sheath Sheathed False Coloured Nervous System Neurological Neurology Sectioned
EDITORS COMMENTS
This print from Science Photo Library showcases the intricate beauty of myelinated nerve fibres. In this coloured scanning electron micrograph (SEM), we are granted a glimpse into the complex inner workings of our nervous system. The image depicts a longitudinal section through a bundle of nerve fibres, revealing their mesmerizing structure. Each nerve fibre is comprised of a central nerve cell axon, represented by vibrant green hues, enveloped by a protective fatty layer known as the myelin sheath, depicted in striking red tones. This myelin sheath acts as an insulator, isolating the nerves and enhancing the speed at which nerve transmissions occur. Amidst this neural network lies an orange blood vessel, serving as a reminder of the vital role that circulation plays in supporting our nervous system's functionality. Additionally, scattered throughout are endoneurial collagen fibres portrayed in regal purple shades; these connective tissues serve to maintain cohesion within the bundle of fibres. Through this false-coloured SEM image, we gain insight into both normal anatomy and healthy biology. It serves as a testament to the incredible complexity and precision that exists within our own bodies. As we marvel at this snapshot taken by cutting-edge technology -the scanning electron microscope- let us appreciate how these microscopic elements work harmoniously together to facilitate communication and coordination within our neural pathways.
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