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 brown skinned, oblong potato with a white interior, which is one of the most popular potatoes. It has a rough skin with numerous eyes and can grow quite large. The russet is low in moisture and high in starch, making it good for baking, boiling and making French fries.