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medullation

[med-l-ey-shuh n, mej-uh-ley-] /ˌmɛd lˈeɪ ʃən, ˌmɛdʒ əˈleɪ-/
noun, Biology
1.
the formation of a medullary sheath about a nerve fiber.
Origin
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for medullation
  • medullation of these fibers begins about the time of birth and continues until puberty.

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