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MYELIN
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
A white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers
Synonyms:
Classified under:
Hypernyms ("myelin" is a kind of...):
fat (a soft greasy substance occurring in organic tissue and consisting of a mixture of lipids (mostly triglycerides))
Holonyms ("myelin" is a substance of...):
medullary sheath; myelin sheath (a layer of myelin encasing (and insulating) the axons of medullated nerve fibers)
Derivation:
myelinic (of or relating to the substance that forms a sheath around the axon of some nerve fibers)
Context examples:
Myelin transcription factor 1-like protein (1186 aa, ~133 kDa) is encoded by the human MYT1L gene.
(Myelin Transcription Factor 1-Like Protein, NCI Thesaurus)
Diseases characterized by loss or dysfunction of myelin in the central or peripheral nervous system.
(Demyelinating Disorder, NLM, Medical Subject Headings)
This protein is involved in the determination of the structure and deposition of myelin.
(Peripheral Myelin Protein 22, NCI Thesaurus)
The fibers are covered by myelin, a white fatty coating that protects axons from injury and speeds the flow of electrical signals.
(Intensive blood pressure control may slow age-related brain damage, National Institutes of Health)
If myelin wastes away - normally due to disease - messages can't pass through as quickly.
(Too Much Screen Time Changes Structure of Toddlers' Brains, The Titi Tudorancea Bulletin)
These drugs may activate stem cells in the brain to stimulate myelin producing cells and repair white matter, which is damaged in multiple sclerosis.
(Drugs that activate brain stem cells may reverse multiple sclerosis, NIH)
It damages the myelin sheath, the material that surrounds and protects your nerve cells.
(Multiple Sclerosis, NIH: National Institute of Neurological Disorders and Stroke)
The team found that those young adults who displayed higher measures of behavioural impulsivity also had lower levels of myelin in the putamen.
(Young people at risk of addiction show differences in key brain region, University of Cambridge)
A type of benign brain tumor that begins in the Schwann cells, which produce the myelin that protects the acoustic nerve - the nerve of hearing.
(Acoustic Schwannoma, NCI Thesaurus)
An immunologic inflammatory disorder characterized by loss of myelin in the peripheral nerves.
(Chronic Inflammatory Demyelinating Polyneuropathy, NCI Thesaurus)
