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.
uk â /pÉËteÉª.tÉÊ/ us â /pÉËteÉª.tÌ¬oÊ/ plural potatoes. A1 a round vegetable that grows underground and has white flesh with light brown, red, or pink skin, or the plant on which these grow: boiled/roasted/fried potatoes. mashed potato/mashed potatoes.