myelin

From myelo- +‎ -in. From Ancient Greek μυελός (muelós, “marrow”).

• IPA^(key): /ˈmaɪəlɪn/

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myelin (countable and uncountable, plural myelins)

1. (neuroanatomy) A white, fatty material, composed of lipids and lipoproteins, that surrounds the axons of nerves.
   • 1868 January, Edmund Montgomery, “On the Formation of so-called Cells in Animal Bodies”, in The American Journal of the Medical Sciences, page 203:

     As the result of prolonged action of water upon myelin, bird's-nests-cells are also said to be produced, and we are certain we have seen, as the result of such prolonged action of water, the appearances thus compared.

   • 2018 December 13, Carl Zimmer, “Narrower Skulls, Oblong Brains: How Neanderthal DNA Still Shapes Us”, in The New York Times‎^[1], →ISSN:

     This gene controls the production of an insulating sleeve that wraps around neurons. Known as myelin, it is crucial for long-range communication in the brain.

• myelopathy
• myelitis

• “myelin”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
• William Dwight Whitney, Benjamin E[li] Smith, editors (1911), “myelin”, in The Century Dictionary […], New York, N.Y.: The Century Co., →OCLC.

• Milney

• IPA^(key): [ˈmɪjɛlɪn]
• IPA^(key): [ˈmɪjɛliːn]

myelin m inan (relational adjective myelinový)

1. myelin