Nerve fibre, TEM
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Nerve fibre, TEM
Nerve fibre. Coloured transmission electron micrograph (TEM) of a section through a non-myelinated peripheral nerve fibre. Here several axons (green) can be seen surrounded by the cytoplasm of a Schwann cell (purple). Perineurial cells surround the whole nerve bundle. Non-myelinated nerve fibres lack the concentric myelin sheaths that surround other types of nerve, and which improve the conduction of nerve impulses. It is usually smaller nerves, such as those of the autonomic nervous system, that are not myelinated. Magnification: x3000 when printed 10 centimetres wide
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6313797
© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY
Axon Axons Bundle Colored Cytoplasm False Colored False Colour Histological Histology Microscope Nerve Nerve Fibre Nervous Neural Peripheral Schwann Cell System Transmission Electron Transmission Electron Micrograph Cells False Coloured
EDITORS COMMENTS
This print showcases the intricate beauty of a nerve fibre, as captured through a transmission electron microscope (TEM). The image reveals a section of a non-myelinated peripheral nerve fibre, where multiple axons are visible in vibrant green hues. These axons are enveloped by the cytoplasm of Schwann cells, depicted in striking purple shades. Surrounding the entire nerve bundle are perineurial cells. Unlike other types of nerves that possess concentric myelin sheaths to enhance impulse conduction, non-myelinated nerve fibres lack this feature. Typically found in smaller nerves like those within the autonomic nervous system, these fibres play an essential role in transmitting signals throughout our body. At a magnification level of x3000 when printed at 10 centimetres wide, this image allows us to appreciate the complexity and delicate nature of our neural network. It offers insight into the microscopic world that underlies our biological systems and highlights how various cell types work together to facilitate communication within our bodies. This visually stunning photograph not only serves as an educational tool for students and researchers studying biology or anatomy but also captivates anyone with an appreciation for scientific artistry.
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