The BEST Definition of the Myelin Sheath Is a _____

Multiple Choice

The BEST definition of the myelin sheath is a _____.

A) protein membrane that increases the electrical receptivity of axons
B) fatty substance that collects inside axons, slowing the rate of an action potential
C) fatty insulation wrapped around some axons that increases the rate at which impulse travel along the axon
D) protein that converts food into energy within the nucleus of a neuron