Nerve demyelination, TEM
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Nerve demyelination, TEM
Nerve demyelination. Coloured transmission electron micrograph (TEM) of a section through a Schwann cell and a nerve fibre, showing the early collapse of its myelin sheath. Myelin (red) is an insulating fatty layer that surrounds the nerve fibre (axon, orange), increasing the speed at which nerve impulses travel. It is formed when a Schwann cell (green) wraps around the fibre, depositing layers of myelin between each coil. Demyelination occurs in nerve disorders such as multiple sclerosis (MS). Patches (lesions) of myelin sheath are destroyed and nerve function is impaired. Magnification: x3800 when printed 10 centimetres wide
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6414962
© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY
Axon Collapse Collapsed Collapsing Cytoplasm Degeneration Demyelination Destroy Destroyed Destroying Endoneurium Fatty Fibre Impaired Insulated Insulation Lesions Micrograph Multiple Sclerosis Myelin Myelinated Nerve Nerve Fibre Nervous Neurolemma Neuron Neurone Neuroscience Patches Phospholipid Schwann Cell Sheath Sheath Of Schwann Sheathed System Transmission Electron Transmission Electron Microscope Condition Disorder False Coloured Neurological Neurology
EDITORS COMMENTS
This print from Science Photo Library showcases nerve demyelination, a condition that affects the nervous system. In this false-colored transmission electron micrograph (TEM), we witness the early collapse of the myelin sheath surrounding a nerve fiber. The myelin sheath, depicted in red, is a vital insulating fatty layer responsible for enhancing the speed at which nerve impulses travel through our bodies. The image reveals a Schwann cell, represented in green, wrapping around the nerve fiber or axon (orange) and depositing layers of myelin between each coil. However, in cases like multiple sclerosis (MS), demyelination occurs as patches or lesions destroy parts of the myelin sheath. This degeneration impairs normal nerve function and can lead to various neurological symptoms. With an impressive magnification level of x3800 when printed 10 centimeters wide, this photograph provides us with an intricate view into the complex anatomy and biology of our nervous system. It serves as a reminder of both its fragility and resilience. As we delve into neuroscience and explore conditions affecting our neural pathways, images like these become invaluable tools for medical professionals seeking to understand disorders such as MS on a microscopic level. Through scientific research aided by visuals like this one, we strive towards finding effective treatments for those suffering from debilitating neurological conditions.
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