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Increased myelin density in humans as a result of a prolonged myelination may, therefore, structure risk for myelin degeneration and dysfunction. Evolutionary considerations for the role of prolonged cortical myelination as a risk factor for demyelinating disease are particularly pertinent given that genetics and autoimmune deficiency ...
Inflammatory demyelinating diseases (IDDs), sometimes called Idiopathic (IIDDs) due to the unknown etiology of some of them, are a heterogenous group of demyelinating diseases - conditions that cause damage to myelin, the protective sheath of nerve fibers - that occur against the background of an acute or chronic inflammatory process.
The T cells recognize myelin as foreign and attack it, explaining why these cells are also called "autoreactive lymphocytes". Demyelination, further inflammation and axonal transection are the result. The attack of myelin starts inflammatory processes, which triggers other immune cells and the release of soluble factors like cytokines and ...
Remyelination is the process of propagating oligodendrocyte precursor cells to form oligodendrocytes to create new myelin sheaths on demyelinated axons in the Central nervous system (CNS). This is a process naturally regulated in the body and tends to be very efficient in a healthy CNS. [ 1 ]
Acute disseminated encephalomyelitis (ADEM), or acute demyelinating encephalomyelitis, is a rare autoimmune disease marked by a sudden, widespread attack of inflammation in the brain and spinal cord.
Myelin's best known function is to increase the rate at which information, encoded as electrical charges, passes along the axon's length. Myelin achieves this by eliciting saltatory conduction. [1] Saltatory conduction refers to the fact that electrical impulses 'jump' along the axon, over long myelin sheaths, from one node of Ranvier to the next.
Myelin disorders categorises several disorders of the central nervous system, including the ones known as myelitis. Pages in category "Myelin disorders" The following 12 pages are in this category, out of 12 total.
1st Infantry Division and ARVN 5th Division multi-brigade search and destroy operations on the eastern flank of War Zone C to open Route 13 from Saigon to the north and engage the Viet Cong 9th Division: Tây Ninh Province: 119: 56 US Apr 26 – 28: Operation Bee Bee [1] 3/1 Cavalry show of force operation: near Bong Son, Bình Định Province ...