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White matter is composed of bundles, which connect various grey matter areas (the locations of nerve cell bodies) of the brain to each other, and carry nerve impulses between neurons. Myelin acts as an insulator, which allows electrical signals to jump , rather than coursing through the axon, increasing the speed of transmission of all nerve ...
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Oligodendrocyte progenitor cells (OPCs), also known as oligodendrocyte precursor cells, NG2-glia, O2A cells, or polydendrocytes, are a subtype of glia in the central nervous system named for their essential role as precursors to oligodendrocytes and myelin. [1] They are typically identified in the human by co-expression of PDGFRA and CSPG4.
A deficiency in GALC thus causes a buildup of these fatty acids, leading to an incursion by cells called "globoid macrophages" that destroy oligodendrocytes, thereby inhibiting any further myelin formation. [20] Given the presence of globoid macrophages clustered near white matter, Krabbe disease often is called globoid cell leukodystrophy.
Oligodendrocytes are a type of glial cell, non-neuronal cells in the central nervous system.They arise during development from oligodendrocyte precursor cells (OPCs), [8] which can be identified by their expression of a number of antigens, including the ganglioside GD3, [9] [10] [11] the NG2 chondroitin sulfate proteoglycan, and the platelet-derived growth factor-alpha receptor subunit (PDGF ...
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White matter fibre dissection is nowadays considered as a valuable tool to enhance our knowledge about brain connectivity, [5] [9] [10] [1] and has been used to validate tractographic results and vice versa with good consistency between the two techniques, [11] but also for neurosurgical training and neuroanatomical teaching.
The Spanish Wikipedia (Spanish: Wikipedia en español) is the Spanish-language edition of Wikipedia, a free online encyclopedia. It has 2,006,065 articles. It has 2,006,065 articles. Started in May 2001, it reached 100,000 articles on 8 March 2006, and 1,000,000 articles on 16 May 2013.