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.
Russet (starchy) This is the potato most people have fixed in their minds as the classic potato. They are ideal baking potatoes and are also good fried and mashed. Pin it. Jewel Yam (starchy) Actually a sweet potato, not a true jam, this is the most commonly found market sweet potato.