myelins

myelin

[mahy-uh-lin]
noun Biology.
a soft, white, fatty material in the membrane of Schwann cells and certain neuroglial cells: the substance of the myelin sheath.
Also, myeline [mahy-uh-leen] .


Origin:
1865–70; myel- + -in2

myelinic, adjective
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World English Dictionary
myelin or myeline (ˈmaɪɪlɪn, ˈmaɪɪˌliːn)
 
n
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
 
myeline or myeline
 
n
 
mye'linic or myeline
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

myelin
1867, from Ger. myelin, from Gk. myelos "marrow."
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

myelin my·e·lin (mī'ə-lĭn) or my·e·line (-lĭn, -lēn')
n.

  1. A white fatty material composed chiefly of alternating layers of lipids and lipoproteins that encloses the axons of myelinated nerve fibers.

  2. Droplets of lipid formed during autolysis and postmortem decomposition.


my'e·lin'ic adj.
The American Heritage® Stedman's Medical Dictionary
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American Heritage
Science Dictionary
myelin   (mī'ə-lĭn)  Pronunciation Key 
A whitish, fatty substance that forms a sheath around many vertebrate nerve fibers. Myelin insulates the nerves and permits the rapid transmission of nerve impulses. The white matter of the brain is composed of nerve fibers covered in myelin.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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