myelination
noun
the formation of a myelin sheath.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
This region of cortex thus delimited in man is one of Flechsig’s areas of earlier myelinization.
From Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4 "Bradford, William" to "Brequigny, Louis" by Various