| 释义 | 
		my·e·lin \ˈmīələ̇n\ noun also my·e·line \“, -əˌlēn\ (-s) Etymology: International Scientific Vocabulary myel- + -in, -ine; originally formed as German myelin  : a soft white somewhat fatty material that in medullated nerve fibers forms a thick medullary sheath about the axis cylinder and contains lipids (as lecithin and cerebrosides) and proteins usually combined with lipids • my·e·lin·ic \|mīə|linik\ adjective |