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Myelin. Myelin (/ ˈmaɪ.əlɪn / MY-ə-lin) is a lipid -rich material that surrounds nerve cell axons (the nervous system's electrical wires) to insulate them and increase the rate at which electrical impulses (called action potentials) pass along the axon. [1][2] The myelinated axon can be likened to an electrical wire (the axon) with ...
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] The process creates a thinner myelin sheath than ...
Myelin basic protein (MBP) is a protein believed to be important in the process of myelination of nerves in the nervous system. The myelin sheath is a multi-layered membrane, unique to the nervous system, that functions as an insulator to greatly increase the velocity of axonal impulse conduction. [5] MBP maintains the correct structure of ...
Myelination of a peripheral nerve by a Schwann cell. Myelinogenesis is the formation and development of myelin sheaths in the nervous system, typically initiated in late prenatal neurodevelopment and continuing throughout postnatal development. [1] Myelinogenesis continues throughout the lifespan to support learning and memory via neural ...
Peripheral myelin protein 22 (PMP22), also called Growth arrest-specific protein 3 (GAS-3), is a protein which in humans is encoded by the PMP22 gene. Mutations in PMP22 cause changes in the expression of peripheral myelin protein 22 which can result in several neuropathies. PMP22 is a 22 kDa transmembrane glycoprotein made up of 160 amino ...
Latin. incisura myelini. MeSH. D011901. TH. H2.00.06.2.03015. Anatomical terms of microanatomy. [edit on Wikidata] In neuroscience and anatomy, nodes of Ranvier (/ ˈrɑːnvieɪ / RAHN-vee-ay), [1][2] also known as myelin-sheath gaps, occur along a myelinated axon where the axolemma is exposed to the extracellular space.
View/Edit Mouse. Myelin-associated glycoprotein (MAG, Siglec-4) is a type 1 transmembrane protein glycoprotein localized in periaxonal Schwann cell and oligodendrocyte membranes, where it plays a role in glial-axonal interactions. MAG is a member of the SIGLEC family of proteins and is a functional ligand of the NOGO-66 receptor, NgR. [5]
Myelin oligodendrocyte glycoprotein (MOG) is a glycoprotein believed to be important in the myelination of nerves in the central nervous system (CNS). In humans this protein is encoded by the MOG gene. [5][6][7] It is speculated to serve as a necessary "adhesion molecule" to provide structural integrity to the myelin sheath and is known to ...