myelin

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myelin

, myeline
a white tissue forming an insulating sheath (myelin sheath) around certain nerve fibres. Damage to the myelin sheath causes neurological disease, as in multiple sclerosis

myelin

[′mī·ə·lən]
(neuroscience)
A soft, white fatty substance that forms a sheath around certain nerve fibers.
References in periodicals archive ?
At 100x objective under immersion, in the necrotic areas there were fibers with myelinic lesions characterized as rarefied due to disorganization of myelin, which presented partially destroyed or in concentric rough groups.
It reflects first of all degree the thick myelinic fibers type A (beta) damage at the expense of genetically caused pathology of myelin fibers.