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The gold-plated sheath has nine sides and measures about 1 foot in length, officials said. It was made in Japan between 550 and 650 and originally used to cover the blade of a long-handled spear.

Demyelination is the process in which the myelin sheath — a protective, insulating layer surrounding nerve fibers in the brain and spinal cord — is damaged or lost. This disruption interferes with the ...

Therefore, myelin sheaths transform the axon into an ideal transmission line and, with the help of a diffraction grating from Ranvier nodes, into an interference filter of the spike wave packet ...

A neuron includes a cell nucleus, synaptic vesicles, dendrite, axon, and myelin sheath. The nucleus’s function is to preserve genetic information and control the activities of the cell. Synaptic ...

CIDP is an immune-mediated condition affecting your peripheral nerves. It occurs when immune cells attack the protective covering around nerves known as the myelin sheath. It can also occur when ...

Most nerve fibers in vertebrates are encased in sheaths made largely of myelin, a protein that protects the fibers and greatly enhances the efficiency of their signal conduction. The destruction ...

Charcot-Marie-Tooth disease (CMT) is a group of inherited disorders that cause nerve damage. While treatments exist to help manage some symptoms, there is no cure and patients have various unmet needs ...

Multiple sclerosis, a neuroinflammatory disease that affects nearly 3 million people worldwide, causes a loss of myelin, the fatty sheath that covers nerve cells in the brain and spinal cord. Chronic ...

Causing mice to express more C1QL1, however, led to increased numbers of oligodendrocytes and more myelination upon drug withdrawal, suggesting that C1QL1 helps restore the damaged myelin layer.

Implementing myelin sheath functions in the neuronal circuit improves adaptability and reduces power consumption, and when combined with artificial synapses to construct neural networks, can form more ...