Myelinated nerve, TEM C016 / 5838
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Myelinated nerve, TEM C016 / 5838
Myelinated nerve. Coloured transmission electron micrograph (TEM) of a section through a myelinated nerve fibre and Schwann cell. Myelin (brown) is an insulating fatty layer that surrounds the nerve fibre (axon, centre), increasing the speed at which nerve impulses travel. It is formed when Schwann cells (light brown) wrap around the fibre, depositing layers of myelin between each coil. The outermost layer consists of the Schwann cells cytoplasm and is known as the neurolemma or sheath of Schwann
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 9206875
© P. NAVARRO, R. BICK, B. POINDEXTER, UT MEDICAL SCHOOL/SCIENCE PHOTO LIBRARY
Axon Cytoplasm Endoneurium Fatty Fibre Fibres Insulated Insulating Insulation Micrograph Microscope Myelin Myelinated Nerve Nerve Fibre Nervous Neurolemma Neuron Neurone Neuroscience Phospholipid Schwann Cell Sheath Sheath Of Schwann Sheathed System Transmission Electron Transmission Electron Micrograph Neurological Neurology
EDITORS COMMENTS
This print showcases the intricate beauty of a myelinated nerve, providing a glimpse into the complex world of our nervous system. In this coloured transmission electron micrograph (TEM), we witness the remarkable structure and function of a myelinated nerve fibre and its surrounding Schwann cell. The focal point of this image is the axon, located at the centre, which serves as the main pathway for transmitting nerve impulses. Surrounding it is an insulating fatty layer called myelin, depicted in shades of brown. This protective coating plays a crucial role in enhancing the speed at which these electrical signals travel through our body. The formation process of myelin is also unveiled within this print. The light brown structures represent Schwann cells that wrap around the nerve fibre, depositing layers of myelin between each coil. The outermost layer consists of cytoplasm from these Schwann cells and is known as either neurolemma or sheath of Schwann. As we delve deeper into understanding our biological systems, images like this serve as invaluable tools to unravel mysteries hidden within us. From neuroscience to neurology, this photograph holds immense significance for researchers and medical professionals alike. Captured by P. NAVARRO, R. BICK, B. POINDEXTER from UT Medical School/Science Photo Library, this visually stunning depiction invites us to appreciate both the complexity and elegance present within every fiber that makes up our being.
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