Most of the axons in the central nervous system are wrapped in myelin, a substance rich in lipids (fatty substances) and proteins. Like the coating around an electrical wire, myelin insulates and protects the axon and helps speed nerve transmission.
Potato/Semi Round Pearls. Potato pearls are some of the less expensive freshwater pearls to be found on the market, but their look is anything but cheap. You can purchase potato pearls in every color of the rainbow, and craft beautiful one of a kind creations for gifts and your own collection.
They are often used interchangeably. The truth is, yukon gold potatoes are a type of yellow potato. They were developed in Canada. You will definitely see them on store shelves here in Canada, but it can be seasonal, depending on your location. I am in Winnipeg, and I find YG about six months of the year.