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False-colour SEM of a bundle of motor nerve fibres
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False-colour SEM of a bundle of motor nerve fibres
Nerve fibres. False-colour scanning electron micrograph of a bundle of motor nerve fibres (blue). The bundle as a whole is surrounded by a cylindrical sheath of connective tissue, also known as the epineurium, which is partly visible at extreme right (soft brown). The epineurium has been opened to show the nerve fibres and a few capillaries (violet). Each fibre is surrounded by a thick myelin layer, mostly formed by lipid material, which derives from the Schwann cells. Through these fibres messages are sent from the brain to the muscles with a maximum speed of 100m per second. Magnification: x 500 at 6x7cm size. x780 at 4x5ins
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Media ID 6421734
© PROF. P. MOTTA/DEPT. OF ANATOMY/UNIVERSITY LA SAPIENZA , ROME/SCIENCE PHOTO LIBRARY
Fibres Motor Myelin Nerve Fibre Nervous System False Coloured
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This print captures the intricate beauty of a bundle of motor nerve fibres in stunning false-colour detail. The image showcases the complex network of blue-hued nerve fibres, which play a vital role in transmitting messages from the brain to muscles throughout the human body. Surrounded by a protective sheath known as the epineurium, visible at the extreme right in soft brown tones, this bundle represents an essential component of our motor nervous system. By opening up the epineurium, we gain insight into the inner workings of these fibres and catch glimpses of delicate capillaries painted in violet hues. Each individual fibre is encased within a thick myelin layer primarily composed of lipid material derived from Schwann cells. This myelin layer not only provides insulation but also facilitates rapid message transmission, allowing signals to travel at speeds reaching an impressive 100 meters per second. With its magnification set at x500 for a 6x7cm size or x780 for 4x5ins dimensions, this photograph offers us an extraordinary close-up view into one aspect of our remarkable anatomy. It serves as a testament to both scientific discovery and artistic representation, showcasing how even microscopic structures can hold immense beauty when viewed through the lens of science.
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