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.
Red Potato. Alternate Names: Red Bliss Characteristics: Red potatoes have a smooth thin skin that makes for a striking visual contrast against the white flesh. Its skin is edible, so it's not necessary to peel or remove it after cooking. Like many waxy varieties, red potatoes are low in starch and won't produce a light, fluffy texture.