What's the plural form of myelinization? Here's the word you're looking for.
Answer
The noun myelinization can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be myelinization.
However, in more specific contexts, the plural form can also be myelinizations e.g. in reference to various types of myelinizations
or a collection of myelinizations.