myelin

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Related to myelination: demyelination

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 ?
Progesterone synthesis in the nervous system: Implications for myelination and myelin repair.
Not enough myelination affects brain signals and could affect Olly's speech and walking.
The most significant difference was discovered in the brain stem, where myelination was less in the smaller pig fetuses.
The myelination of the frontal cortex of the brain, where adult abilities such as concentration, self-reflection, and behavioural control live, does not complete until the mid twenties, and some neuroscientists are now saying late twenties.
Moreover, the author tells us that all consequences are the result of behavior, which calls into question neonatal neurologists' and geneticists' understanding of myelination of nerve fibers in the neonatal brain or the DNA passed on to her by her parents during cell division.
When Zach was eight, we were told that he has partial agenesis of the corpus callosum, delayed myelination of subcortical areas, and cerebellar atrophy--a rare brain disorder," Renee remembers.
2003), and synaptogenesis and myelination (Porterfield 2000).
Myelin is insulation material around axons, the part of a nerve cell that conveys information from one part of the brain m another part of the brain, and myelination enables nerve cells to transmit information faster and allows for more complex brain processes.
Last January, Dr Mahmoud Shamseldeen, a paediatrician at GMC Hospital in Ajman, diagnosed her with defective myelination of the brain.
Further, because human myelination starts during the last trimester of pregnancy, babies with KD are likely to be born with detectable psychosine in their blood, facilitating their identification in dried blood spot samples in reference centers for screening of metabolic, inherited diseases.
Findings include macrocrania, dilated perivascular spaces, cystic spaces in the white matter, communicating hydrocephalus, and delayed myelination.
has announced preliminary evidence of progressive and durable donor-cell derived myelination in all four patients who underwent transplantation with the company's proprietary HuCNS-SC(R) cells (purified human neural stem cells) in its clinical trial for Pelizaeus-Merzbacher disease (PMD), a rare hypo- myelination disorder in children.