Myelinization vs Undefined - What's the difference?

myelinization | undefined |

As a noun myelinization

is myelination.

As an adjective undefined is

lacking a definition or value.

Taxonomy vs Myelinization - What's the difference?

taxonomy | myelinization |

As nouns the difference between taxonomy and myelinization

is that taxonomy is the science or the technique used to make a classification while myelinization is myelination.