Brain cells, TEM C013 / 4800
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Brain cells, TEM C013 / 4800
Brain cells. Transmission electron micrograph (TEM) of a section through oligodendrocytes in human brain tissue, showing free ribosomes (dark pink dots), golgi apparatus (curved brown lines), lysosomes (dark pink circles) and mitochondria (lighter pink ovals). The cell nuclei (brown) can also be seen. Oligodendrocytes occur in both the white and grey matter of the central nervous system (CNS). Their main function is to provide support and to form myelin sheaths around neurons (nerve cells), which insulates the axon of each cell, allowing efficient transmission of electrical impulses. Magnification: x5000 at 10 centimetres wide
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 9195033
© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY
Cell Biology Central Nervous System Cytological Cytology Endoplasmic Reticulum Glia Glial Golgi Apparatus Histological Histology Insulating Insulation Lysosome Lysosomes Microglia Microglial Mitochondria Mitochondrion Myelin Sheath Myelinated Myelination Nerve Cell Neuroglia Nuclei Nucleus Oligodendrocyte Ribosome Ribosomes Tissue Transmission Electron Micrograph Transmission Electron Microscope Brain Nervous System Neurological Neurology
EDITORS COMMENTS
This print showcases the intricate world of brain cells, offering a glimpse into the complex machinery that drives our thoughts and actions. Taken using a transmission electron microscope (TEM), this image reveals oligodendrocytes in human brain tissue with remarkable detail. The oligodendrocytes, seen here as clusters of brown cell nuclei, play a crucial role in the central nervous system (CNS). Their primary function is to provide support and form myelin sheaths around neurons, which act as insulation for efficient transmission of electrical impulses. The myelin sheath wraps around the axon of each nerve cell, ensuring smooth and rapid communication within the brain. Within these oligodendrocytes, various organelles can be observed. Dark pink dots represent free ribosomes responsible for protein synthesis while curved brown lines depict Golgi apparatus involved in processing and packaging proteins. Lysosomes are represented by dark pink circles responsible for cellular waste disposal, whereas lighter pink ovals symbolize mitochondria – powerhouses of the cell producing energy. This stunning image not only highlights the beauty found within our brains but also emphasizes its complexity. It serves as a reminder that even at microscopic levels, there is an entire universe waiting to be explored within us.
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