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.
A smaller oval-shaped potato with a purplish black outer skin and vivid purple, dense inner meat.The odd colored meat adds a distinctive look to any dish. When selecting, choose those that are firm and plump, avoiding those that have shriveled skins, sprouting eyes, soft spots, blemishes and green spots. smaller oval-shaped potato with a purplish black outer skin and vivid purple, dense inner meat.